Gibbs's RulesGibbs's Rules are an extensive series of guidelines that NCIS Special Agent Leroy Jethro Gibbs lives by and teaches to the people he works closely with. Origins In Season 1's "Missing", Tony guessed that the rules originated with the Marine Corps, but Gunnery Sergeant Bill Atlas confessed that he had never heard of them. On the other hand, during the Season 2 episode, Forced Entry (episode) when R
