I think that either he was told that daily tortures were coming and he was provided the means to commit suicide, or I think he was killed. Same thing either way.
Regarding the Clinton's., they would be my prime suspect. So, so much smoke over the years, and Bill took multiple trips to the island. tThe Clinton/Epstein connection was reported by non MSM sources for many years.
The unclear part of this is that there were other powerful world figures who also had motive.