Four animals were found shot to death near Livermore yesterday, in an unincorporated Contra Costa and Alameda on Collier Canyon Road. The two horses, a calf, and a cow were killed with 22-caliber bullets. Authorities aren't sure why someone would shoot the animals. The horses' owners are ponying up a $5,000 reward for anyone with info leading to the arrest/conviction of the responsible parties. (CBS 5)