considering how much people have disappeared and how many people have been dragged into these cases, we still have to say thank you that the fbi did not create a special team to catch all the leaders from managers to heads. many american citizens suffered and went to court.
Actually the FBI is quite involved in prosecuting Americans with Bitconnect ties:
https://www.cryptonewsz.com/bitconnect-promoter-calen-powell-detained-and-questioned-by-fbi/166/They even interviewed Trevon James 5 months back, who is due to appear before the SEC later next month.