> Site operators retire to Cayman Islands.

The chance of that at this point is practically nil. The owner has been doxed, both the FBI and Czech police have been thoroughly notified, and the blockchain movements suggest the owner is panicking and no longer thinking straight (who on earth moves 96k btc through a mixer in a day? that shows they either don't understand the idea of mixing or they are too frantic to realize the futility of it).