CONCORD (CBS SF) — A 49-year-old transient was found dead behind a shopping center in Concord Sunday morning, marking the city’s first homicide of 2012, according to police.

Officers and fire personnel responded to a call about 7:30 a.m. about an unconscious homeless person at a FoodMaxx shopping center at 1751 Monument Blvd.

The man was found behind a vacant video store in a makeshift homeless encampment.

Paramedics determined the man was dead. He appeared to have been assaulted, according to police.

Anyone with information about the case is asked to call Major Crime Units Detective Greg Pardella at (925) 603-5836.

(Copyright 2012 by CBS San Francisco and Bay City News Service. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.)