: Vice Admiral C. Clifford Chase (played by Bruce Boxleitner ) falls victim to a ransomware attack after clicking a malware link in an email.
: Special Agent Timothy McGee and the team are tasked with tracking down the hacker before the "Elliott Virus" permanently deletes the Admiral's sensitive personal and professional files. NCIS - Season 14 Episode 20
: The episode features regulars Mark Harmon (Gibbs), Sean Murray (McGee), Jennifer Esposito (Quinn), and Wilmer Valderrama (Torres). Writer : The episode was written by Brendan Fehily . Original Air Date : April 4, 2017. Notable Moment : Vice Admiral C