we are not sure if you story is real
maybe he just scammed and try to hide himself
i post all the proof and you can check it
if his account was hacked he should post it before this happen , else he is the hacker and the scammer
You can check this thread and All reply from trusted member, not from Newbie or Jr. member.
https://bitcointalk.org/index.php?topic=1881717.msg18696882#msg18696882