10 Most Important Gibbs Rules in NCIS, Ranked

Leroy Gibbs has 91 rules in NCIS. Tracing all the way back to his time in the Marines Corps, Gibbs has expanded and revised his rules throughout his career. NCIS features a handful of them. Some are work-related, and some tackle difficult personal decisions and complicated situations. Though only less than half are revealed to viewers, the ones that NCIS fans have learned throughout the years consist of some really good points.

Some rules are simply too wise to dismiss. Even though Gibbs is a fictional character, there are interesting things to be learned through his big book of rules. Some of them also have real-life applications and can be very handy in tricky situations. However, the most important ones are hard-earned.