ATLANTA - Five men were convicted of torturing and killing a police informant in the fall of 2016 before leaving his body in the trunk of a car parked at an Atlanta public transit station.Christopher Lockett, 30, Xavier Gibson, 23, Quatez Clark, 21, Joshua Rooks, 27, and Jasper Green, 27, were convicted Monday of murder, participating in criminal street gang activity and other felony charges, according to the Fulton County District Attorney’s Office in Georgia. The men , who were members of the Gangster Disciples street gang, killed 33-year-old Christopher Dean at an Atlanta home after discovering that he was once a police witness in California, authorities said.Investigators said Dean was tortured, sodomized and shot twice in the back of the head before his body was stuffed into the trunk of a Toyota Camry and left at the H.E. Holmes MARTA station.Prosecutors said Lockett lured Dean to a home he shared with his brother on Sandy Creek Drive in October ...