Santa Maria Police have identified two men they believe are responsible for murdering a Santa Maria father last weekend. Police say 24 year old, Gilberto Garcia and 26 year old, Roy Duran, shot and killed 30 year old George Robertson last Saturday. Robertson was inside his car on the 1000 block of South Railroad when it happened. Police believe the suspects are aware they are wanted. The public is warned they should be considered armed and dangerous. If you have any information on the whereabouts of Gilberto Garcia and Roy Duran Jr., you're urged to call the Santa Maria Police Department.