Exhibit A: Secrets of Forensic Science

A young gas station attendant in rural Nova Scotia is found dead. He has been shot twice and the gas station robbed. With no eye-witnesses, the police have a monumental task before them. After weeks, the case appears to have reached a dead end, until another shooting reveals a forensic connection. The police must sort through a maze of half-truths and finally search across the U.S. border to nail a deadly gang. Can firearms and bloodstain analysis help police determine what really happened?