NCIS: Squall

A doctor dies on board the USS Borealis during a heavy storm and when the ship is brought into Norfolk Naval Yard, Ducky's investigation reveals a telltale mark on the victim's carotid artery, suggesting he was injected with poison. Initial inquiries focus on a petty officer with a history of drug use who may have wanted the doctor to remain silent about his problems. American drama, starring David McCallum