It was an inside job! I'm sure of it!
http://www.youtube.com/watch?feature=player_embedded&v=2dvv-Yib1Xg
BTW the Greedo one is down, so here' the archived version:
http://www.arts.mcgill.ca/programs/polisci/faculty/rexb/greedo.html" target="_blank">http://web.archive.org/web/20071006234307/http://www.arts.mcgill.ca/programs/polisci/faculty/rexb/greedo.html