At around 7:30 a.m. on April 22, police say, Robert Armstrong, 62, was attacked by an unknown suspect with river rocks near 7th Avenue and Camelback Road while he was sleeping on a loading dock behind a retail store. The suspect then ran away toward a nearby apartment complex.
"The security guard discovered the adult male victim had significant trauma to his head and face and called police. The victim died from his injuries at the scene," police said.
Anyone with information should contact Silent Witness at 480-WITNESS. Spanish speakers can call Testigo Silencioso at 480-TESTIGO. Si tiene alguna información sobre este caso, llame a la línea de Testigo Silencioso (480-TESTIGO, 480-837-8446).