• "Gibbs" was a popular character on NCIS
  • He had many rules
  • Learn about them in the video 

Every great team needs a great leader. And when it comes to the world of television, few characters have ever been more effective at leading the charge than "Gibbs" himself, played by actor Mark Harmon.

Mark Harmon Had Many Rules In NCIS

In the Navy, there are always rules to follow, and that wouldn't change for a television show.

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Quiz: How Well Do You Know "Gibbs" on NCIS? actor Mark Harmon Leroy Jethro family wife character seasons episodes cast trivia questions facts

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'NCIS': This Are "Gibbs'" Rules
(© Getty Images)

"Gibbs" himself had many rules. Here they are for you now, starting at the top. #1: "Never leave suspects together." A second first rule that he shared with his colleagues says: "Never put your partner on your back". Watch the video above to learn more!