The First 48 S08E11 - Up in Flames / Drive-By

During a family get together in Minnesota a car drives by and gun's down a teen-ager with no known connections to any criminal activity. Police wind up taking more then the usual 48 hours investigating this crime. Meanwhile in Birmingham Alabama firemen are called to a burning house only to find a burning truck in the back yard with a body in the bed of the truck; burned beyond recognition. The investigation leads to yet another house fire and some surprising suspects