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 apologize — Its a sign of weakness.
Rule #10: Never get personally involved on a case.
Rule #8: Never take anything for granted.
Rule #9: Never go anywhere without a knife.
Rule #10: Never get personally involved on a case.
Rule #11: When the job is done, walk away.
Rule #12: Never date a coworker.
Rule #13: Never, ever involve a lawyer.
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: Two ways to follow: First way, they never notice you, — second way, they only notice you.
Rule #35: Always watch the watchers.
Rule #39: There is no such thing as coincidence.
"The 40's are for Emergency Use Only!"
Rule #40: If it seems someone is out to get you, they are.
Rule #44: First things first. Hide the women and children.
Rule #45: Clean up your own mess.
Rule #51: Sometimes — You're Wrong!
A few of them applys in my day to day :)
