13. Neighborhood Sweetheart / Hail of Gunfire

In Miami, Detective Ricardo John is investigating the brutal homicide of a 19-year old girl. The detectives believe that she may have been murdered to send a message to her boyfriend, an alleged drug dealer. In Kansas City, Missouri, a man is shot dead during a gun fight. Detective Everett Babcock has to unravel the mountain of ballistics evidence on the scene to solve the case.