This is a weird one, but I'm pretty sure Trevor Milton's "pardon" claim is just an attempt to drum up interest in a documentary he's about to debut. Either that or trying to incept the idea of a pardon into a fellow convicted felon's empty headcase. Either way, something sketchy here.
electrek.co
Trevor Milton claims he's been pardoned but really its just an ad for a documentary
Trevor Milton's PR agency sent out a press release saying he was issued a full pardon, but no independent confirmation exists.