NCIS: The Cases They Can't Forget

NCIS agents take viewers inside the mysterious case of a young Navy officer murdered after using an ATM. The investigation would lead the agents on a trail of greed, lies and double-lives.

A Navy lieutenant's mysterious illness aboard the USS Forrestal leads to his death. Investigators say he was poisoned -- after 13 years, the trail leads to a suspect with an unusual motive for murder.

Naval Criminal Investigative Service agents bring viewers inside the investigation into the attack on a marine stationed in Kuwait that at first looked like a terrorist attack, but led them on an unexpected trail to something else.

Real-life NCIS agents investigate the murders of a Marine sergeant and his wife 67 days after they wed. Was the motive money, was it racially motivated or was it something else?

Real-life NCIS agents team up with Air Force investigators to solve the murder of an American airman in Japan, leading to a dark, twisted path of deception, fraud and witchcraft.

The convicted killer of a young Florida mom speaks out for the first time and admits he didn't tell investigators everything – but vows he didn't kill her. Is he telling the truth now?

Real-life NCIS agents open up about the murder of a sailor's 10-year-old daughter that haunted the agency for three decades and the "unsolvable" murder of a Navy man's son and the promise to his family to resolve the case.