Rolling Stone released recordings of an interview done a few days before he died. He speaks about how his views had changed through the eyes of a 40 year old man.
the last interview with john and yoko was done at his home in the dakodta building a few hours before he died
the interview ended so john could get to an appointment he had at the recording studio on his way out he gave an autograph to some one
when he returned home a few hours later that same person shot him twice in the back