PHOENIX - Police said they are investigating a homicide after a passerby found a body near Pinnacle Peak Road and Cave Creek Road Saturday.

Officers said the man in his mid-20s was found with obvious signs of trauma.

Police officially consider this a homicide investigation.

The victim's name has been withheld until authorities notify his next of kin.

Anyone with information is asked to call police or Silent Witness at 480-948-6377. Callers may remain anonymous and could earn a reward of up to $1,000.