Via Reddit. Check the video and the play by play:
Mr. Williams did perform as he was supposed to. But of it was not for the video, the conflicting witnesses reports would have made for a rough legal time. I would bet he’s seen or read Massad Ayoob at some point by the way he placed the gun on the counter and made 911 call reporting the incident. Here you can read the whole report of the incident.
Well done Mr. Williams.