NCIS Season 11 Episode 10 Devil's Triad

When an assassination attempt is made on a retired Navy Admiral, the team investigates the links between him and two other former high-ranking officials. The three of them were part of an operation known as Devil's Triad, where they conducted covert intelligence missions in the 1980s. As the investigation progresses, NCIS discovers that Devil's Triad was involved in a cover-up that resulted in innocent lives being lost. The team races against time to unravel the web of deceit that has been spun around this operation before more lives are lost. Meanwhile, Gibbs faces a personal crisis as he is forced to confront a painful event from his past.