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Leroy Jethro Gibbs
Leroy Jethro Gibbs
First
appearance

Ice Queen
Last
appearance

Meltdown
Portrayed by

Mark Harmon
Information
Gender Male
Occupation NCIS Special Agent

Leroy Jethro Gibbs is a former Gunnery Sergeant with the United States Marine Corps who is now the lead agent in charge of the NCIS Major Case Response Team, a highly-skilled and trained team of investigators who tackle cases concerning members of the United States Navy and Marine Corps.

Gibbs also led the investigation into the murder of Lt. Loren Singer and at first, originally suspected that Harmon Rabb Jr. was Singer's before realizing that Harm was being framed.

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