S6E15: Motel No-Tell / Brotherly Love

In Dallas, Detective Phil Harding investigates a brutal shooting in a motel parking lot that killed a 22-year-old and injured two of his friends. The surviving victims are the only ones who can identify the suspects. Detectives just have to convince them to talk. Then, in Memphis, Sergeants Ron Collins and Kevin Lundy must track down a murder suspect who may have fled the state. Will the suspect's sister cooperate with detectives and turn her brother in, or will she take the fall to protect him?