DaJuan Johnson

A killer with a number of identities leads the authorities on a baffling chase through the South; the Behavioural Analysis Unit has a tricky job on their hands as they attempt to profile the man beneath the rapidly changing exterior.

Flashbacks reveal the murder case that first introduced young Gibbs to NCIS and to Ducky.

The team attempts to identify victims of an explosion in a hotel garage from their remains; Sweets teams up with a new partner and Booth works on the budget.

When Lucy receives a strange call on night watch from a man admitting to murder, the team set out to find him.

JD deals with losing his apartment and his girlfriend while suffering from a condition that results in fainting or blackouts. Elliot and Turk debate who will take care of a resident, while a Croation doctor arrives at the hospital.

Fifteen months after solving the cold case of his mother's murder, Bosch learns that the DA's office is re-examining evidence from an old case, which could throw doubt on all his previous convictions.