Trace his name on dating sites
If they refuse, or make some excuse, that is a red flag.
He even was so bold as to take one of the women to "his condo" in Toronto, though as it turned out, he was not listed in any records as the owner of the condo.
If a person makes excuses every time that you want to Skype or talk via phone, this is a red flag.
They might claim that they don't have time, or that their camera is broken, but keep in mind that every modern day smartphone, laptop and tablet has the ability to video chat.
Almost everyone in the United States has some sort of Internet presence that when pieced together creates a real identity.
It is very rare that someone would have no Internet presence at all.
Tuiasosopo even sent a photo of a beautiful girl who was purported to be Kekua.