Visible crew/equipment: When Gibbs and Ellie are at Demint's property gate his daughter drives up, and when Margot gets out of her car the two red and pink T-marks (plastic type) are visible on the ground by Ellie's feet. (00:12:45)
Continuity mistake: While Bishop and Torres are locked in the two jail cells, Bishop knocks out the glass from her barred window, but when Torres breaks the old toilet and says, "I really think we're stuck in here," Bishop's cell window glass is perfectly intact - we can see the reflection of all the bars. (00:07:10)
Revealing mistake: When the guy tied to the chair falls over, he uses his right arm to break his fall, then places it behind his back again after he lands.
Chosen answer: "Policing your brass", means to pick up your expended shell casings, after firing your rifle, or pistol.
pross79