Often, when light aircrafts crash, the pilots manage to leave the wreck, whereas the panic stricken passenger struggles to get free. I'd suggest he's dead, and never to be found.
It has crossed my mind on a couple of occasions BFB. Add in his ex-girlfriends comments around the mafia........ A bit of a conspiracy theory. Besides the AAIB, I wonder if any other lines of inquiry are on going?