Jim reaches to close the disk player with both hands. In the reverse angle, he closes it with his left, his right arm straight at his side.
A key plot element is the projection of a lifelike hologram into thin air. As of 2017, 29 years after the episode is set, the technology to do this has yet to be invented.
When Nicholas pulls up in front of the getaway helicopter, the boom mic operator's reflection can be seen on the side of the car.