Safe Harbor - S9-E5
Continuity mistake: The way DiNozzo holds the little black book changes between shots when he is first examining it. (00:11:20)
Safe Harbor - S9-E5
Visible crew/equipment: When Borin leaves to sign for the body, a little tape marker is visible at Gibbs' feet. (00:12:05)
Chosen answer: "Policing your brass", means to pick up your expended shell casings, after firing your rifle, or pistol.
pross79