S8·E14 Up in Flames; Drive-By

A truck is found burning with the body of a murdered man in the back. The fire as destroyed almost all of the evidence. The detectives start with the last known people to see the victim alive. A teenager is playing football in his front yard when gun shots ring out during a drive by, killing the teen. Witnesses are afraid to speak out; detectives must convince them to talk to catch their killer.