READ MORE: Elvis: Lisa Marie Presley on her father's 'treacherously painful' song that was written about herShortly before he died, Elvis became aware and deeply upset that three of his former guards - Red West, his cousin Sonny West, and David Hebler - were about to publish a book. The salaciously detailed Elvis, What Happened? was set to expose the star's drug use and unhealthy lifestyle to the world.