Wife of slain deputy to gunman: Please turn yourself in

Maine state police patrol along Mill Stream Road in Norridgewock, Maine, Friday, April 27, 2018, during a manhunt for John Williams, wanted in the shooting death of Somerset County Sheriff's Deputy Eugene Cole on Wednesday. (Michael G. Seamans/The Central Maine Morning Sentinel via AP)
This undated photo released by the Maine State Police shows John Williams of Madison, Maine, who is being sought in connection with the shooting of a Somerset County sheriff's deputy Wednesday, April 25, 2018, in Norridgewock, Maine. Deputy Eugene Cole was killed while responding to a reported robbery. (Maine State Police via AP)
Maine state police search along railroad tracks near Mill Stream Road in Norridgewock, Maine, Friday, April 27, 2018, during a manhunt for John Williams, wanted in the shooting death of Somerset County Sheriff's Deputy Eugene Cole on Wednesday. (Michael G. Seamans/The Central Maine Morning Sentinel via AP)
Maine state police search along railroad tracks near Mill Stream Road in Norridgewock, Maine, Friday, April 27, 2018, during a manhunt for John Williams, wanted in the shooting death of Somerset County Sheriff's Deputy Eugene Cole on Wednesday. (Michael G. Seamans/The Central Maine Morning Sentinel via AP)

Wife of slain deputy to gunman: Please turn yourself in

Maine state police patrol along Mill Stream Road in Norridgewock, Maine, Friday, April 27, 2018, during a manhunt for John Williams, wanted in the shooting death of Somerset County Sheriff's Deputy Eugene Cole on Wednesday. (Michael G. Seamans/The Central Maine Morning Sentinel via AP)
This undated photo released by the Maine State Police shows John Williams of Madison, Maine, who is being sought in connection with the shooting of a Somerset County sheriff's deputy Wednesday, April 25, 2018, in Norridgewock, Maine. Deputy Eugene Cole was killed while responding to a reported robbery. (Maine State Police via AP)
Maine state police search along railroad tracks near Mill Stream Road in Norridgewock, Maine, Friday, April 27, 2018, during a manhunt for John Williams, wanted in the shooting death of Somerset County Sheriff's Deputy Eugene Cole on Wednesday. (Michael G. Seamans/The Central Maine Morning Sentinel via AP)
Maine state police search along railroad tracks near Mill Stream Road in Norridgewock, Maine, Friday, April 27, 2018, during a manhunt for John Williams, wanted in the shooting death of Somerset County Sheriff's Deputy Eugene Cole on Wednesday. (Michael G. Seamans/The Central Maine Morning Sentinel via AP)