That seems to be false, i.e. he is in fact who United claims he is--his hometown paper discusses it here. http://www.courier-journal.com/story/news/2017/04/12/yes-ken...

I can also confirm it personally because I have family in that area and it turns out they were treated by him. o_O He doesn't have the best reputation, apparently. Not that that's at all relevant to United's behavior, of course--it's like those cases where a cop shoots an unarmed man for no reason and they try to defend it because it turns out he'd robbed a liquor store the previous week. Was pretty surprising to me, though.