As far as """""conspiracy theories""""" go, the umm, non-conspiracy theory (?) on this one is starting to sound like chemtrails and Qanon.
...New York federal prosecutors charged Thomas and Noel with creating false records and conspiracy. The two guards admitted to falsifying records to make it seem as if they had conducted the required checks on Epstein's cell on the night of his death. However, video footage showed that Epstein had been left unwatched in his cell for eight hours before being discovered dead the following morning.
At this point, regarding the "Epstein killed himself" line, I think The Babylon Bee put it best:
"Every day is a new life to the wise man."
The Righteous Mind
Star Slate Codex
Consulting by RPM