PHOENIX -- The FBI is offering a $5,000 reward to anyone who can help crack a year-old cold case.

Guillermo "Willy" Ramirez, 54, was found shot to death in a remote area of the Navajo Indian Reservation on June 19, 2006.

His pickup, a green extended-cab Nissan with a camper shell, was spotted on the side of the Indian Route 7 between Chinle and Sawmill. Ramirez's body was found about 30 feet from his truck.