Rule 1: "Never let suspects stay together."
Rule 1: "Never screw over your partner."
Rule 2: "Always wear gloves at a crime scene."
Rule 3: "Don't believe what you're told. Double check."
Rule 3: "Never be unreachable"
Rule 4: "The best way to keep a secret? Keep it to yourself. Second best? Tell one other person - if you must. There is no third best."
Rule 5: "You don't waste good."
Rule 6: "Never say you're sorry. It's a sign of weakness."
Rule 7: "Always be specific when you lie."
Rule 8: "Never take anything for granted."
Rule 9: "Never go anywhere without a knife."
Rule 10: "Never get personally involved in a case."
Rule 11: "When the job is done, walk away."
Rule 12: "Never date a co-worker."
Rule 13: "Never, ever involve lawyers."
Rule 14: "Bend the line, don't break it."
Rule 15: "Always work as a team."
Rule 16: "If someone thinks they have the upper hand, break it."
Rule 18: "It's better to seek forgiveness than ask permission."
Rule 22: "Never ever bother Gibbs in interrogation."
Rule 23: "Never mess with a Marine's coffee... if you want to live."
Rule 27: "There are two ways to follow someone. First way, they never notice you. Second way, they only notice you."
Rule 28: "Need help? Ask."
Rule 35: "Always watch the watchers."
Rule 36: "If you feel like you are being played, you probably are"
Rule 38: "Your case, your lead."
Rule 39: "There is no such thing as coincidence."
Rule 40: "If it seems like someone is out to get you, they are."
Rule 42: "Never accept an apology from someone who just sucker punched you."
Rule 44: "First things first, hide the women and children."
Rule 45: "Clean up the mess that you make."
Rule 51: "Sometimes you're wrong."
Rule 69: "Never trust a woman who doesn't trust her man."
The Other Guys Rules.
Rule #1: Never make excuses.
McGee's Rules
Rule #1 Never lie to Gibbs.
Rule # 2 Keep digging till you hit bottom.
Tony's Rules
Rule #1: Don't sit on the sidelines while your people are in trouble.
Rule #3: Never underestimate your opponent
Abby's Rules
Rule #1: Do not lie to Abby
Rule #9: Always keep a spare
