Is anybody else thinking; "Maybe a hooker, but maybe not."

That could have been a submissive woman with a kink and dishonest narcissist. Either way, this may not be the first time he's done this and probably won't be the last.

If you're still around OP, I'd be interested in your take on the professional hooker or kinky amateur possibility.

Former Mormon overseas missionaries are often hired for their cross-cultural experience and expertise.

Obliquely, it seems, yes. It identifies Williams as driving and that both drivers died. It later says the victims were not identified. It seems intended to leave the impression that the occupants of the other car were Williams' victims. If that was not the intention, then that was very poorly written.