64-year-old Larry Van Cross was last seen leaving his residence at 11:30 a.m. near Extension and University by his assisted living home manager.
Authorities say Van Cross talks very slowly and may be difficult to understand. He uses a walker to get around and is believed to be in the Mesa area.
Van Cross is described as a white male, 5' 9" tall with green eyes, grey hair and a moustache. He was wearing a green jacket, blue shorts, a baseball cap with "Arizona" on the front.
If you have any information regarding Van Cross' whereabouts, contact the Mesa Police at (480) 644-2211.