Dwayne Barnes

The team must start over after Patrick causes a case involving the murder of an assistant DA to be thrown out of court.

Charlie helps Don and an NTSB agent investigate the death of an engineer in charge of a cutting-edge project that could revolutionise air travel.

The team investigate the disappearance of a woman gained asylum in the US four years earlier with Sam's help; Kensi and DEA agent Talia Del Campo go undercover.

Warrick investigates a drive-by shooting in his old neighbourhood; Nick follows up on the murder of an internet company worker.

Dr Weaver fears her relationship may be exposed when a suicidal woman claims Dr Legaspi sexually harassed her.

The team investigate the 2002 shooting death of an actor on the opening night of a local production of Cabaret. A gun found in a dresser that was used as a prop for the play matches the calibre of the weapon used in the murder.