The First 48 Season 7 Episode 21 Soap2Day

A man lays dead outside his home, he has been gunned down. Investigators find a witness to the crime. After following leads they are surprised when their witness turns into the suspect. A silver Infinity is spotted at he scene of a carjacking gone bad that leaves one man dead. Leads are few and far between, detectives on the case must look under ever stone to find these killers.