Gibbs' Rule #3. Never believe what you are told. Double check.
NCIS:Special Agent Gibbs, DiNozzo and McGee
Gibbs' Rule #8. Don't take anything for granted. // First mentioned in #NCIS Season 3, Episode 10 - "Probie"
NCIS - Gibbs Rules
Gibbs' Rule #51: Sometimes you're wrong GIBBS is never wrong!
#Gibbs' Rule #9. Don't go anywhere without a knife. // First mentioned in #NCIS Season 1, Episode 13 - "One Shot, One Kill"
Gibbs' Other Rule #3. Never be unreachable.
Gibbs' Rules #18
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#Gibbs' Rule #7. Always be specific when you lie. // First mentioned in #NCIS Season 1, Episode 23 - "Reveille"
Gibbs' Rule #22. Never bother Gibbs in interrogation. Season 4, episode 10
Gibb's Rule #9: Never go anywhere without a knife.
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