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Jun 29, 2023 · Mark Harmon and Leon Carroll Jr. have co-authored a new book about WWII hidden histories. Photo: Kevin Lynch; Harper Select; Theo Camacho. Mark Harmon, known for his role as Leroy Jethro Gibbs on ...
- Overview
- NCIS Episodes Written by Leon Carroll, Jr.
Leon Carroll, Jr. is a technical adviser for NCIS.
After the United States Marine Corps, Carroll later joined the real-life NIS/NCIS agency and worked there for two decades as a Special Agent before retiring.
After retiring, he returned to help in the aftermath of 9/11 before retiring again.
Carroll later joined NCIS and now serves an adviser, advising the NCIS writers on what a real-life NCIS Special Agent would do.
•Out of the Frying Pan (episode) (story).
- 3 min
Sep 19, 2022 · Leon Carroll Jr. joined the real NCIS in 1980 after serving as a marine. He even put his retirement on pause and joined NCIS again after the events of September 11, 2001. Around 2003, a different ...
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Jun 29, 2023 · Mark Harmon and Leon Carroll Jr., who worked together on the CBS drama NCIS for many years, have penned the non-fiction book, Ghosts of Honolulu: A Japanese Spy, A Japanese American Spy Hunter ...
Jun 30, 2023 · NCIS vet Mark Harmon and tech advisor/former Special Agent Leon Carroll Jr. have teamed on a non-fiction book that chronicles a World War II operation led by the ONI (Office of Naval Intelligence ...
- Matt Webb Mitovich
Actor Mark Harmon and NCIS technical advisor, retired special agent Leon Carroll Jr., join "CBS Mornings" to discuss their new book "Ghosts of Honolulu" and their time working on the hit CBS show ...
- 6 min
Jun 29, 2023 · Leon Carroll Jr. is the technical advisor on the hit drama NCIS. A native of Chicago, Illinois, he attended Lindblom Technical High School and went on to earn a BS degree in business economics ...
