Sunday, July 7, marks the three-year anniversary of the 7/7 Dallas police ambush where five officers where killed in the line of duty.
Marked as the deadliest attack on U.S. law enforcement since September 11, 2001, an armed man opened fire near the end of a peaceful protest in downtown Dallas.
DPD Senior Cpl. Lorne Ahrens
Age 48, who had been with the department since 2002.
DPD Officer Michael Krol
Age 40, who had been with the department since 2007.
DPD Sgt. Michael Smith
Age 55, a former Army Ranger who had been with the department since 1989.
DART Officer Brent Thompson
Age 43, a former Marine who had been with the department since 2009. Thompson was the first DART officer to be killed in the line of duty since the department's inception in 1989.
DPD Officer Patricio "Patrick" Zamarripa
Age 32, a former Navy sailor and Iraq War veteran who had been with the department since 2011.
Facts and more on the tragic event from Wikipedia.