'NCIS': The Rules

Rule #1

Never let suspects stay together.

Rule #2

Never screw over your partner.

Rule #3

Don't believe what you're told. Double check.

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 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

There are two ways to follow someone. First way, they never notice you. Second way, they only notice you.

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 someone is out to get you, they are.

Rule #42

Never accept an apology from some 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. Also stated as, "Never leave behind loose ends."

Rule #51

Sometimes - you're wrong.

Rule #69

Never trust a woman who doesn't trust her man.