Identity

Identity is the 1st episode of Season One of NCIS:Los Angeles.

Summary
In the series premiere, NCIS investigates the death of a Navy officer killed during an LAPD shootout with drug runners. Initially they think the officer was a hostage but when Special Agents G.Callen (Chris O'Donnell) and Sam Hanna (LL Cool J) find he has been picked up and dropped off daily by the drivers of the car and has been using his military clearance to send top secret satellite photos of a mounting anti-drug military mission to a drug cartel leader, they question his loyalty.