(At 3:50), Agent Grace is talking to a CIA director, the scar in his eyebrow (always on his right eye) is on the left eye. Shortly afterwards it is back to its normal location on his right eye.
At 2305 Jack's sprays a liquid (like acid) on safety deposit box 135. The liquid drips down. At 23:16 he opens the box. You can see the liquid dripped down on the door. When he pulls out the box at 23:22 his hand rubs across the area where the acid would've been and there's no evidence of any liquid remaining.