Andrew Bongiorno

The murder of a petty officer sparks a lead in a 40-year-old airport bombing cold case that Gibbs and DiNozzo have been assigned to for the past two years. Also, McGee is jealous that he was not previously briefed on the cold case.

Callen and Granger try to clear Sam's name after he's arrested for a woman's murder; Kensi and Deeks find a link between the victim and Sam's past.