A black band wraps a Tyler Police Department badge Monday, July 11, 2016, as officers form ranks before a prayer service at T.B. Butler Plaza in Tyler, Texas. Residents joined officers from several agencies in remembering the four Dallas police officers and one Dallas Area Rapid Transit officer who died July 7, 2016.
A black band wraps a Tyler Police Department badge Monday, July 11, 2016, as officers form ranks before a prayer service at T.B. Butler Plaza in Tyler, Texas. Residents joined officers from several agencies in remembering the four Dallas police officers and one Dallas Area Rapid Transit officer who died July 7, 2016. Andrew D. Brosig The Associated Press
A black band wraps a Tyler Police Department badge Monday, July 11, 2016, as officers form ranks before a prayer service at T.B. Butler Plaza in Tyler, Texas. Residents joined officers from several agencies in remembering the four Dallas police officers and one Dallas Area Rapid Transit officer who died July 7, 2016. Andrew D. Brosig The Associated Press

As a police officer, I am sworn to protect all

July 11, 2016 3:40 PM