Photo: Yi-Chin Lee, Houston Chronicle
A girl closes her eyes and says prayer during a candlelight vigil for victims and survivors of the Santa Fe High School shooting at Texas First Bank on Friday, May 18, 2018, in Santa Fe. Hundreds participated and Gov. Greg Abbott and U.S. Sen. Ted Cruz also spoke at the vigil.
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A girl closes her eyes and says prayer during a candlelight vigil for victims and survivors of the Santa Fe High School shooting at Texas First Bank on Friday, May 18, 2018, in Santa Fe. Hundreds participated
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Photo: Yi-Chin Lee, Houston Chronicle
A tear rolls down a girl's face during a candlelight vigil for victims and survivors of the Santa Fe High School shooting at Texas First Bank on Friday, May 18, 2018, in Santa Fe. Hundreds participated and Gov. Greg Abbott and U.S. Sen. Ted Cruz also spoke at the vigil.
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A tear rolls down a girl's face during a candlelight vigil for victims and survivors of the Santa Fe High School shooting at Texas First Bank on Friday, May 18, 2018, in Santa Fe. Hundreds participated and Gov.
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Photo: Yi-Chin Lee, Houston Chronicle
People dropped flowers in honor for the victims of the Santa Fe High School mass shooting during a vigil at Texas First Bank Friday, May 18, 2018, in Santa Fe, Texas.
People dropped flowers in honor for the victims of the Santa Fe High School mass shooting during a vigil at Texas First Bank Friday, May 18, 2018, in Santa Fe, Texas.
Photo: Godofredo A. Vasquez, Houston Chronicle
Abigail Adams, right, comforts her friend Hannah Hershey, 13, during a vigil for the victims of the Santa Fe High School mass shooting Friday, May 18, 2018, in Santa Fe, Texas. Hershey said she knew one of the 10 people who were killed at the high school earlier that day.
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Abigail Adams, right, comforts her friend Hannah Hershey, 13, during a vigil for the victims of the Santa Fe High School mass shooting Friday, May 18, 2018, in Santa Fe, Texas. Hershey said she knew one of the
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Photo: Godofredo A. Vasquez, Houston Chronicle
Hundreds of community members hold their hands as they gather at Texas First Bank for a candlelight vigil for victims and survivors of the Santa Fe High School shooting on Friday, May 18, 2018, in Santa Fe. Hundreds participated and Gov. Greg Abbott and U.S. Sen. Ted Cruz also spoke at the vigil.
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Hundreds of community members hold their hands as they gather at Texas First Bank for a candlelight vigil for victims and survivors of the Santa Fe High School shooting on Friday, May 18, 2018, in Santa Fe.
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Photo: Yi-Chin Lee, Houston Chronicle
A woman gets emotional during a prayer at a candlelight vigil for victims and survivors of the Santa Fe High School shooting at Texas First Bank on Friday, May 18, 2018, in Santa Fe. Hundreds participated and Gov. Greg Abbott and U.S. Sen. Ted Cruz also spoke at the vigil.
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A woman gets emotional during a prayer at a candlelight vigil for victims and survivors of the Santa Fe High School shooting at Texas First Bank on Friday, May 18, 2018, in Santa Fe. Hundreds participated and
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Photo: Yi-Chin Lee, Houston Chronicle
People dropped flowers in honor for the victims of the Santa Fe High School mass shooting during a vigil at Texas First Bank Friday, May 18, 2018, in Santa Fe, Texas.
People dropped flowers in honor for the victims of the Santa Fe High School mass shooting during a vigil at Texas First Bank Friday, May 18, 2018, in Santa Fe, Texas.
Photo: Godofredo A. Vasquez, Houston Chronicle
A girl looks at the flowers and candles left in memory of the victims of the Santa Fe High School mass shooting during a vigil at Texas First Bank Friday, May 18, 2018, in Santa Fe, Texas.
A girl looks at the flowers and candles left in memory of the victims of the Santa Fe High School mass shooting during a vigil at Texas First Bank Friday, May 18, 2018, in Santa Fe, Texas.
Photo: Godofredo A. Vasquez, Houston Chronicle
People embrace behind Texas First Bank during a vigil for the victims of the Santa Fe High School mass shooting Friday, May 18, 2018, in Santa Fe, Texas.
People embrace behind Texas First Bank during a vigil for the victims of the Santa Fe High School mass shooting Friday, May 18, 2018, in Santa Fe, Texas.
Photo: Godofredo A. Vasquez, Houston Chronicle
A girl walk into a candlelight vigil for victims and survivors of the Santa Fe High School shooting with a white rose in her hand at Texas First Bank for on Friday, May 18, 2018, in Santa Fe. Hundreds participated and Gov. Greg Abbott and U.S. Sen. Ted Cruz also spoke at the vigil.
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A girl walk into a candlelight vigil for victims and survivors of the Santa Fe High School shooting with a white rose in her hand at Texas First Bank for on Friday, May 18, 2018, in Santa Fe. Hundreds
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Photo: Yi-Chin Lee, Houston Chronicle
People gather behind Texas First Bank during a vigil for the victims of the Santa Fe High School mass shooting Friday, May 18, 2018, in Santa Fe, Texas.
People gather behind Texas First Bank during a vigil for the victims of the Santa Fe High School mass shooting Friday, May 18, 2018, in Santa Fe, Texas.
Photo: Godofredo A. Vasquez, Houston Chronicle
Hundreds of community members gather at Texas First Bank for a candlelight vigil for victims and survivors of the Santa Fe High School shooting on Friday, May 18, 2018, in Santa Fe. Hundreds participated and Gov. Greg Abbott and U.S. Sen. Ted Cruz also spoke at the vigil.
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Hundreds of community members gather at Texas First Bank for a candlelight vigil for victims and survivors of the Santa Fe High School shooting on Friday, May 18, 2018, in Santa Fe. Hundreds participated and
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Photo: Yi-Chin Lee, Houston Chronicle
Governor Greg Abbott talks with people gathered behind Texas First Bank during a vigil for the victims of the Santa Fe High School mass shooting Friday, May 18, 2018, in Santa Fe, Texas.
Governor Greg Abbott talks with people gathered behind Texas First Bank during a vigil for the victims of the Santa Fe High School mass shooting Friday, May 18, 2018, in Santa Fe, Texas.
Photo: Godofredo A. Vasquez, Houston Chronicle
Two women hold hands during prayer at the vigil for the victims of the Santa Fe High School mass shooting Friday, May 18, 2018, in Santa Fe, Texas. Dimitrios Pagourtzis, 17, allegedly killed 10 people during the shooting at the high school.
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Two women hold hands during prayer at the vigil for the victims of the Santa Fe High School mass shooting Friday, May 18, 2018, in Santa Fe, Texas. Dimitrios Pagourtzis, 17, allegedly killed 10 people during
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Photo: Godofredo A. Vasquez, Houston Chronicle
Girls gather in prayer behind Texas First Bank during a vigil for the victims of the Santa Fe High School mass shooting Friday, May 18, 2018, in Santa Fe, Texas.
Girls gather in prayer behind Texas First Bank during a vigil for the victims of the Santa Fe High School mass shooting Friday, May 18, 2018, in Santa Fe, Texas.
Photo: Godofredo A. Vasquez, Houston Chronicle
Cars still sit in the parking lot where they were left as the sun sets on Santa Fe High School, scene of a fatal shooting that left at least 10 dead, Saturday, May 19, 2018, in Santa Fe, TX.
Cars still sit in the parking lot where they were left as the sun sets on Santa Fe High School, scene of a fatal shooting that left at least 10 dead, Saturday, May 19, 2018, in Santa Fe, TX.
Photo: Mark Mulligan, Houston Chronicle
Law enforcement investigate a building along Highway 6 just down the road from Santa Fe High School where a fatal shooting occurred on Friday, May 18, 2018, in Santa Fe, TX.
Law enforcement investigate a building along Highway 6 just down the road from Santa Fe High School where a fatal shooting occurred on Friday, May 18, 2018, in Santa Fe, TX.
Photo: Mark Mulligan, Houston Chronicle
Law enforcement investigate a home believed to be connected to the fatal school shooting at Santa Fe High School, Friday, May 18, 2018, in Santa Fe, TX.
Law enforcement investigate a home believed to be connected to the fatal school shooting at Santa Fe High School, Friday, May 18, 2018, in Santa Fe, TX.
Photo: Mark Mulligan, Houston Chronicle
A woman is comforted as she wipes away tears after walking out of the Barnett Intermediate School where parents gathered as they waited to hear from their children after a mass shooting at Santa Fe High School Friday, May 18, 2018 in Santa Fe.
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A woman is comforted as she wipes away tears after walking out of the Barnett Intermediate School where parents gathered as they waited to hear from their children after a mass shooting at Santa Fe High School
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Photo: Michael Ciaglo, Houston Chronicle
Elida Sanchez, center, embraces her daughter, Santa Fe High School junior Guadalupe Sanchez, 16, outside Alamo Gym where parents and students are reunited after a mass shooting at Santa Fe High School Friday, May 18, 2018 in Santa Fe.
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Elida Sanchez, center, embraces her daughter, Santa Fe High School junior Guadalupe Sanchez, 16, outside Alamo Gym where parents and students are reunited after a mass shooting at Santa Fe High School Friday,
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Photo: Michael Ciaglo, Houston Chronicle
Mourners gather by the Barnett Intermediate School where parents are gathering to pick up their children and hear news, Friday, May 18, 2018, in Santa Fe.
Mourners gather by the Barnett Intermediate School where parents are gathering to pick up their children and hear news, Friday, May 18, 2018, in Santa Fe.
Photo: Marie D. De Jesus, Houston Chronicle
Mourners gather by the Barnett Intermediate School where parents are gathering to pick up their children and hear news, Friday, May 18, 2018, in Santa Fe.
Mourners gather by the Barnett Intermediate School where parents are gathering to pick up their children and hear news, Friday, May 18, 2018, in Santa Fe.
Photo: Marie D. De Jesus, Houston Chronicle
Travis Stanich, embraces his wife Pamela Stanich, as she waits to hear news about her son Jared Black, a junior at Santa Fe High School. The couple are waiting at Alamo Gym where parents wait to reunite with their kids following a shooting at Santa Fe High School Friday, May 18, 2018 in Santa Fe.
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Travis Stanich, embraces his wife Pamela Stanich, as she waits to hear news about her son Jared Black, a junior at Santa Fe High School. The couple are waiting at Alamo Gym where parents wait to reunite with
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Photo: Michael Ciaglo, Houston Chronicle
Mourners gather by the Barnett Intermediate School where parents are gathering to pick up their children and hear news, Friday, May 18, 2018, in Santa Fe.
Mourners gather by the Barnett Intermediate School where parents are gathering to pick up their children and hear news, Friday, May 18, 2018, in Santa Fe.
Photo: Marie D. De Jesus, Houston Chronicle
Santa Fe High School freshman Caitlyn Girouard, center, hugs her friend outside the Alamo Gym where students and parents wait to reunite following a shooting at Santa Fe High School Friday, May 18, 2018 in Santa Fe.
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Santa Fe High School freshman Caitlyn Girouard, center, hugs her friend outside the Alamo Gym where students and parents wait to reunite following a shooting at Santa Fe High School Friday, May 18, 2018 in
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Photo: Michael Ciaglo, Houston Chronicle
A mass casualty evacuation ambulance arrives near the Alamo Gym where parents and students wait to be reunited after a mass shooting at Santa Fe High School Friday, May 18, 2018 in Santa Fe.
A mass casualty evacuation ambulance arrives near the Alamo Gym where parents and students wait to be reunited after a mass shooting at Santa Fe High School Friday, May 18, 2018 in Santa Fe.
Photo: Michael Ciaglo, Houston Chronicle
U.S. Sen. Ted Cruz talks to Gary Forward, assistant chief of the Santa Fe I.S.D. police, after a press conference about the shooting at Santa Fe High School, Friday, May 18, 2018, in Santa Fe.
U.S. Sen. Ted Cruz talks to Gary Forward, assistant chief of the Santa Fe I.S.D. police, after a press conference about the shooting at Santa Fe High School, Friday, May 18, 2018, in Santa Fe.
Photo: Jon Shapley, Houston Chronicle
U.S. Sen. Ted Cruz, second from left, pauses while speaking during a press conference about the Santa Fe High School shooting, at the Santa Fe ISD Agricultural Center Friday, May 18, 2018, in Santa Fe.
U.S. Sen. Ted Cruz, second from left, pauses while speaking during a press conference about the Santa Fe High School shooting, at the Santa Fe ISD Agricultural Center Friday, May 18, 2018, in Santa Fe.
Photo: Jon Shapley, Houston Chronicle
Texas Governor Greg Abbott speaks about the shooting at Santa Fe High School, during a press conference at the Santa Fe ISD Agricultural Center Friday, May 18, 2018, in Santa Fe.
Texas Governor Greg Abbott speaks about the shooting at Santa Fe High School, during a press conference at the Santa Fe ISD Agricultural Center Friday, May 18, 2018, in Santa Fe.
Photo: Jon Shapley, Houston Chronicle
Booking mug of Dimitrios Pagourtzis, 17, the suspected shooter at Santa Fe High School on May 18, 2018.
Booking mug of Dimitrios Pagourtzis, 17, the suspected shooter at Santa Fe High School on May 18, 2018.
Photo: Galveston County Sheriff's Office
Dimitrios Pagourtzis, the 17-year-old who allegedly killed at least 10 people with a .38 caliber revolver and a shotgun during a mass shooting at Santa Fe High School, is seen by Galveston County Judge Mark Henry, during a probable cause hearing at Galveston County Jail, Friday, May, 18, 2018 in Galveston.
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Dimitrios Pagourtzis, the 17-year-old who allegedly killed at least 10 people with a .38 caliber revolver and a shotgun during a mass shooting at Santa Fe High School, is seen by Galveston County Judge Mark
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Photo: Jon Shapley, Houston Chronicle
Law enforcement investigate the mass shooting at Santa Fe High School Friday, May 18, 2018, in Sabra Fe, Texas. Ten people were killed by alleged shooter 17-year-old Dimitrios Pagourtzis.
Law enforcement investigate the mass shooting at Santa Fe High School Friday, May 18, 2018, in Sabra Fe, Texas. Ten people were killed by alleged shooter 17-year-old Dimitrios Pagourtzis.
Photo: Godofredo A. Vasquez, Houston Chronicle
Pook's restaurant owner Gregg Vicknair hangs a sign in his window announcing that his business would close in respect for the victims of the Santa Fe High School shooting Friday, May 18, 2018, in Santa Fe. Vicnair said he employs about 25 Santa Fe High School students and wanted them all to be able to attend the prayer vigil tonight.
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Pook's restaurant owner Gregg Vicknair hangs a sign in his window announcing that his business would close in respect for the victims of the Santa Fe High School shooting Friday, May 18, 2018, in Santa Fe.
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Photo: Steve Gonzales, Houston Chronicle
Law enforcement, including several ATF agents, stand outside of a home in Alvin, TX believed to be related to the fatal school shooting earlier in the day at Santa Fe High School on Tuesday, May 18, 2018, in Santa Fe, TX.
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Law enforcement, including several ATF agents, stand outside of a home in Alvin, TX believed to be related to the fatal school shooting earlier in the day at Santa Fe High School on Tuesday, May 18, 2018, in
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Photo: Mark Mulligan, Houston Chronicle
Police and FBI carrying tools towards a home believed to be related to the fatal school shooting earlier in the day at Santa Fe High School on Tuesday, May 18, 2018, in Santa Fe, TX.
Police and FBI carrying tools towards a home believed to be related to the fatal school shooting earlier in the day at Santa Fe High School on Tuesday, May 18, 2018, in Santa Fe, TX.
Photo: Mark Mulligan, Houston Chronicle
Law enforcement surrounds a home in Galveston County hours after a mass shooter shot and killed several individuals at Santa Fe High School in southeast Texas.
Law enforcement surrounds a home in Galveston County hours after a mass shooter shot and killed several individuals at Santa Fe High School in southeast Texas.
Photo: Mark Mulligan/Houston Chronicle
A woman prays in the grass outside the Alamo Gym where parents wait to reunite with their kids following a shooting at Santa Fe High School Friday, May 18, 2018 in Santa Fe.
A woman prays in the grass outside the Alamo Gym where parents wait to reunite with their kids following a shooting at Santa Fe High School Friday, May 18, 2018 in Santa Fe.
Photo: Michael Ciaglo, Houston Chronicle
Emergency responders respond to an active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe.
Emergency responders respond to an active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe.
Photo: Steve Gonzales, Houston Chronicle
Emergency responders respond to an active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe.
Emergency responders respond to an active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe.
Photo: Steve Gonzales, Houston Chronicle
Emergency responders respond to an active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe.
Emergency responders respond to an active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe.
Photo: Steve Gonzales, Houston Chronicle
Emergency responders at Santa Fe High School in Santa Fe, Texas on May 18, 2018.
Emergency responders at Santa Fe High School in Santa Fe, Texas on May 18, 2018.
Photo: Godofredo A. Vasquez
People embrace outside the Alamo Gym where students and parents wait to reunite following a shooting at Santa Fe High School Friday, May 18, 2018 in Santa Fe.
People embrace outside the Alamo Gym where students and parents wait to reunite following a shooting at Santa Fe High School Friday, May 18, 2018 in Santa Fe.
Photo: Michael Ciaglo, Houston Chronicle
Parents of Santa Fe High School students join in prayer at the parking lot the Arcadia First Baptist Christian School accompanied with residents after a shooter open fire at the high school, Friday, May 18, 2018, in Santa Fe.
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Parents of Santa Fe High School students join in prayer at the parking lot the Arcadia First Baptist Christian School accompanied with residents after a shooter open fire at the high school, Friday, May 18,
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Photo: Marie D. De Jesus, Houston Chronicle
A woman reacts while making a phone call outside the Alamo Gym where parents wait to reunite with their kids following a shooting at Santa Fe High School Friday, May 18, 2018 in Santa Fe.
A woman reacts while making a phone call outside the Alamo Gym where parents wait to reunite with their kids following a shooting at Santa Fe High School Friday, May 18, 2018 in Santa Fe.
Photo: Michael Ciaglo, Houston Chronicle
Law enforcement respond to the site of a fatal shooting at Santa Fe High School on Tuesday, May 18, 2018, in Santa Fe, TX.
Law enforcement respond to the site of a fatal shooting at Santa Fe High School on Tuesday, May 18, 2018, in Santa Fe, TX.
Photo: Mark Mulligan, Houston Chronicle
A women receives information regarding the active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe.
A women receives information regarding the active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe.
Photo: Steve Gonzales, Houston Chronicle
Emergency responders respond to an active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe.
Emergency responders respond to an active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe.
Photo: Steve Gonzales, Houston Chronicle
A police officer stands across the street from the Santa Fe Junior High School following a shooting at the nearby Santa Fe High School Friday, May 18, 2018 in Santa Fe.
A police officer stands across the street from the Santa Fe Junior High School following a shooting at the nearby Santa Fe High School Friday, May 18, 2018 in Santa Fe.
Photo: Michael Ciaglo, Houston Chronicle
A law enforcement officer reaches for water as he responds to an active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe.
A law enforcement officer reaches for water as he responds to an active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe.
Photo: Steve Gonzales, Houston Chronicle
A Life Flight helicopter leaves Santa Fe High School in Santa Fe, Texas on May 18, 2018.
A Life Flight helicopter leaves Santa Fe High School in Santa Fe, Texas on May 18, 2018.
Photo: Godofredo A. Vasquez
Emergency responders at Santa Fe High School in Santa Fe, Texas on May 18, 2018.
Emergency responders at Santa Fe High School in Santa Fe, Texas on May 18, 2018.
Photo: Godofredo A. Vasquez
Students gather near Santa Fe High School in Santa Fe, Texas on May 18, 2018. Officials confirmed shots were fired on the campus.
Students gather near Santa Fe High School in Santa Fe, Texas on May 18, 2018. Officials confirmed shots were fired on the campus.
Photo: Godofredo A. Vasquez
LifeFlight responds to an active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe.
LifeFlight responds to an active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe.
Photo: Steve Gonzales, Houston Chronicle
Law enforcement officers shut down traffic near Santa Fe High School in Santa Fe, Texas on May 18, 2018. Officials confirmed shots had been fired at the campus.
Law enforcement officers shut down traffic near Santa Fe High School in Santa Fe, Texas on May 18, 2018. Officials confirmed shots had been fired at the campus.
Photo: Steve Gonzales/Houston Chronicle
Santa Fe High School student Dakota Shrader is comforted by her mother Susan Davidson following a shooting at the school on Friday, May 18, 2018, in Santa Fe, Texas. Shrader said her friend was shot in the incident. (Stuart Villanueva/The Galveston County Daily News via AP)
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Santa Fe High School student Dakota Shrader is comforted by her mother Susan Davidson following a shooting at the school on Friday, May 18, 2018, in Santa Fe, Texas. Shrader said her friend was shot in the
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Photo: Stuart Villanueva, Associated Press
A medical helicopter lands at Santa Fe High School in Santa Fe, Texas on May 18, 2018. Officials confirmed shots had been fired at the campus.
A medical helicopter lands at Santa Fe High School in Santa Fe, Texas on May 18, 2018. Officials confirmed shots had been fired at the campus.
Photo: Steve Gonzales/Houston Chronicle
Law enforcement officers shut down traffic near Santa Fe High School in Santa Fe, Texas on May 18, 2018. Officials confirmed shots had been fired at the campus.
Law enforcement officers shut down traffic near Santa Fe High School in Santa Fe, Texas on May 18, 2018. Officials confirmed shots had been fired at the campus.
Photo: Steve Gonzales/Houston Chronicle
Law enforcement officers surround Santa Fe High School in Santa Fe, Texas on May 18, 2018. Officials confirmed shots were fired at the campus.
Law enforcement officers surround Santa Fe High School in Santa Fe, Texas on May 18, 2018. Officials confirmed shots were fired at the campus.
Photo: Steve Gonzales/Houston Chronicle
Law enforcement officers surround Santa Fe High School in Santa Fe, Texas on May 18, 2018. Officials confirmed shots were fired at the campus.
Law enforcement officers surround Santa Fe High School in Santa Fe, Texas on May 18, 2018. Officials confirmed shots were fired at the campus.
Photo: Steve Gonzales/Houston Chronicle
In this image taken from video law enforcement officers respond to a high school near Houston after an active shooter was reported on campus, Friday, May 18, 2018, in Santa Fe, Texas. The Santa Fe school district issued an alert Friday morning saying Santa Fe High School has been placed on lockdown. (KTRK-TV ABC13 via AP)
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In this image taken from video law enforcement officers respond to a high school near Houston after an active shooter was reported on campus, Friday, May 18, 2018, in Santa Fe, Texas. The Santa Fe school
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Photo: AP
FILE - An undated screenshot of a zoomed-out Google Maps image of Santa Fe High School in Santa Fe, Texas. Friday, a mass shooting claimed multiple lives at the campus.
FILE - An undated screenshot of a zoomed-out Google Maps image of Santa Fe High School in Santa Fe, Texas. Friday, a mass shooting claimed multiple lives at the campus.
Photo: File/Google
FILE - A screenshot of a Google Maps image of Santa Fe High School in Santa Fe, Texas. Friday, officials reported an active shooter in the area.
FILE - A screenshot of a Google Maps image of Santa Fe High School in Santa Fe, Texas. Friday, officials reported an active shooter in the area.
Photo: File/Google