South African investment firm vanishes with $3.6B in Bitcoin
indiatoday.in
indiatoday.in
I'm not sure there's any new information since that article was written.
No other information has been forthcoming as of yet.
At least then we can be sure what's left of the stolen money that the fraudster didn't spent and kept in accounts under their name in participating countries can be returned.
Bitcoin frauds rarely results in prison sentences.