Jeffrey Epstein was found hanged in his jail cell with the cameras "mysteriously" turned off in New York 2019.
Just last month Jean-Luc Brunel was also found hanged in his jail cell with the cameras "mysteriously" turned off in France.
Those men were linked. Both of their deaths were officially ruled as suicides. Maybe they were, but I doubt it. It would take a pretty powerful worldwide crime syndicate or government to make murders like that happen in such far apart places but Putin's Russia is plausible for a group or part of a group that could make that happen.