
An investigator heads to the scene of shooting Sunday, Dec. 31, 2017, in Highlands Ranch, Colo. Authorities in Colorado say one deputy has died and multiple others were wounded, along with two civilians, in a shooting that followed a domestic disturbance in suburban Denver. (AP Photo/David Zalubowski)
- David Zalubowski

An investigator heads to the scene of shooting Sunday, Dec. 31, 2017, in Highlands Ranch, Colo. Authorities in Colorado say one deputy has died and multiple others were wounded, along with two civilians, in a shooting that followed a domestic disturbance in suburban Denver. (AP Photo/David Zalubowski)
- David Zalubowski

A long line of police vehicles stand on County Line Road near the scene of shooting Sunday, Dec. 31, 2017, in Highlands Ranch, Colo. Authorities in Colorado say one deputy has died and multiple others were wounded, along with civilians, in a shooting that followed a domestic disturbance in suburban Denver. (AP Photo/David Zalubowski)
- David Zalubowski

An investigator heads to the scene of shooting Sunday, Dec. 31, 2017, in Highlands Ranch, Colo. Authorities in Colorado say one deputy has died and multiple others were wounded, along with two civilians, in a shooting that followed a domestic disturbance in suburban Denver. (AP Photo/David Zalubowski)
- David Zalubowski

David Morgan of Highlands Ranch, Colo., holds an American flag as a procession of law enforcement vehicles accompany a hearse carrying the body of a sheriff's deputy shot and killed while responding to a domestic disturbance Sunday, Dec. 31, 2017, in Highlands Ranch, Colo. (AP Photo/David Zalubowski)
- David Zalubowski

David Morgan of Highlands Ranch, Colo., holds an American flag as a procession of law enforcement vehicles accompany a hearse carrying the body of a sheriff's deputy shot and killed while responding to a domestic disturbance Sunday, Dec. 31, 2017, in Highlands Ranch, Colo. (AP Photo/David Zalubowski)
- David Zalubowski

A hearse arrives at Littleton Hospital as officers from various police agencies line up for a procession for an officer who was fatally wounded in a domestic incident in a Highlands Ranch apartment complex in Denver, Sunday, Dec. 31, 2017. Multiple other police officers and civilians were also wounded. (John Leyba/The Denver Post via AP)
- John Leyba,

Officers from various police agencies line up on W. Jamison ave in front of Littleton hospital as they wait for a procession honoring an officer who was fatally wounded in a domestic incident in a Highlands Ranch apartment complex on Sunday, Dec. 31, 2017. Multiple other police officers and civilians were also wounded. (John Leyba/The Denver Post via AP)
- John Leyba,

An unidentified couple carry an American flag to hang on the overpass of Colorado Boulevard over Highway C470 before a procession passes with the body of a sheriff's deputy shot and killed while responding to a call Sunday, Dec. 31, 2017, in Highlands Ranch, Colo. (AP Photo/David Zalubowski)
- David Zalubowski

Police officers line up their patrol cars outside of Littleton Adventist Hospital for a procession honoring an officer who was fatally wounded in a domestic incident in a Highlands Ranch apartment complex on Sunday, Dec. 31, 2017. Multiple other police officers and civilians were also wounded. (John Leyba/The Denver Post via AP)
- John Leyba,