Following an active shooter lockdown at a naval hospital, the team searches for a suspect who fled the scene; someone from Sloane’s past is a key witness in the case.

A gruesome mishap at a Navy petty officer’s gender-reveal party leads NCIS to the case of a missing teacher that was popularized on a true crime podcast.

A gruesome mishap at a Navy petty officer’s gender-reveal party leads NCIS to the case of a missing teacher that was popularized on a true crime podcast.