A line of officers formed outside an emergency veterinary clinic, where the K-9 was taken, just a few miles from the crime scene.

The officer who shot Plagmann has been identified as Cpt. Chad Butler, a 25-year veteran of the Shelby County Sheriff's Department.

Azi, when gunfire was exchanged during a standoff at the Red Roof Inn. Officers also shot and killed a suspect who had barricaded himself after shooting a woman, police said.

After the shooting, the Texas Municipal Police Association expressed sadness about McKinney police K-9's death.