Police Chief Art Acevedo holds a flashlight above Austin Police Association President Ken Casaday's notes at a vigil at the Texas Peace Officers' Memorial, July 14, 2016 (KXAN Photo)
Attendees hold up blue lights at a vigil for five fallen Dallas officers at the Texas Peace Officers' Memorial, July 14, 2016 (KXAN Photo)
Attendees at a vigil for five fallen Dallas officers at the Texas Peace Officers' Memorial, July 14, 2016 (KXAN Photo)
An officer sings "God Bless America" at a vigil for five fallen Dallas officers at the Texas Peace Officers' Memorial, July 14, 2016 (KXAN Photo)
Officers gathered at the Texas Police Officers' Memorial, paying tribute to 5 fallen Dallas officers, July 14, 2016 (KXAN Photo)
A vigil held at the Texas Peace Officers' Memorial at the State Capitol in memory of five officers killed in Dallas, July 14, 2016 (KXAN Photo/Sean Farrar)