This stuff is disturbing. These articles read like hit pieces. The guy can't even defend himself and you have all these wild claims from supposed ex-girlfriends. It's just bizarre. Let the guy lie in peace.
Identifying an unknown deceased person so the next of kin can be notified is part of a normal death investigation, even when there is no foul play.
He seems to have made a positive impact on people who met him on the trail, which is why those people wanted to find out who he was. They wanted to give his friends and family closure.