Authorities have released of photo of the man suspected of killing Riverside police officer Ryan Bonaminio. Officer Bonaminio was shot to death while pursuing the man through Fairmount Park Sunday night. The stolen truck seen in the photo has been recovered. The suspect is described as black, in his mid 30′s to mid 40′s. six-foot- one to six-foot- two inches tall, with a slender build, and possible facial hair.  Anyone with information on the case is urged to contact the Riverside Police Department.