This may be an interesting case to prosecute - the women came willingly, and even after being told what would happen, voluntarily removed their clothes and allowed the activity.  For money. No indication of force or coercion, or that either was stopped from leaving.  Unless there is much being omitted, is this actually sexual assault when the women volunteereed for and consented to, the contact? 

He came from Iran as a child decades ago, so I think this is just plain ordinary perversion that doesn't depend on his "culture".  Fraud, most likely, but I don't think any "culture" other than a sick fantasy life is to blame.