While that is my opinion about Elvis...
To be honest I struggled with that
dead/alive thing. I come to realize in witness protection the old self dies...the old life dies.
A new life begins. New Beginnings.
He knew things ... And he did something about it.
He had a strong footing in the entertainment industry. Our entertainers were in a mess with the deep state. Damned if they did and damned if they didn't with the cabal ...deep state.
I believe many took the witness protection route.
Thats just my opinion
Their craft was not worth selling their Soul

Like so many other things ...this is a wait and see.