NCIS

Walton Flynn, an Iraq war veteran, is tasked with the protection of a visiting Iraqi businessman. When the businessman is found dead, Callen and his team are assigned to find Flynn.

When a contractor who was in possession of classified information is killed, the investigation team fear that the knowledge he was carrying may be lost.

A wealthy bachelor and ex-Marine, killed by a fall from a rooftop, turns out to have been living a double life. The OPS team search for a motive when it is discovered that he was murdered.