Arnell Powell

When a marine colonel is killed in an explosion at a military golf course, the team look into a suspected terrorist attack with the assistance from the Army Criminal Investigative Unit.

The agents investigate the suspicious death of a programmer whose computer sensitive data relating to a high-level government project is missing.

Mickey calls the Pemberton kids' overly strict grandmother to teach them some discipline; Mickey and Jimmy reunite.

The team must probe an unusual murder case while thinking of the best way to say farewell to the late Detective Frost.

In 1995, two teenage boys went on a shooting spree at a local mall and committed suicide shortly afterwards. The team is prompted to reopen the case when new evidence suggests that there may have been a third shooter.

When Mickey discovers they've forgotten Ben's birthday, the family works together to throw him a party.