If true, that also would seem to establish the likelihood the shooter after leaving his seat to complain to management about the victim, readied his weapon for easy access for round 2, and returned to his seat.
The Air Force Col.’s testimony is pretty convincing. Go to about 5 minutes in to see the start of his testimony.
https://www.youtube.com/watch?v=O5iw1xtJx58&feature=youtube_gdata_player