Dallas mourns its five slain police officers (23 images)

Officers and personnel with the Dallas Police Department lay flowers and signs of support on a squad car parked outside headquarters on Lamar Street on Friday, July 8, 2016 in Dallas, Texas. Four DPD officers and one DART officer were killed and 11 others were wounded after a sniper opened fire during a peaceful "Black Lives Matter" march late on July 7, 2016. Photo by Chris McGathey/UPI

A woman hugs a uniformed officer outside police headquarters on Lamar Streer on July 9, 2016 in Dallas Texas. Days after a lone sniper opened fire on a peaceful "Black Lives Matter" march killing five Dallas policemen. Photo By Chris McGathey

A young girl stands by a memorial outside police headquarters on Lamar Streer on July 9, 2016 in Dallas Texas. Days after a lone sniper opened fire on a peaceful "Black Lives Matter" march killing five Dallas policemen. Photo By Chris McGathey

Flowers and memorials sit outside police headquarters on Lamar Streer on July 9, 2016 in Dallas Texas. Days after a lone sniper opened fire on a peaceful "Black Lives Matter" march killing five Dallas policemen. Photo By Chris McGathey