Earlier quoted context omitted.
"We can charge you with these crimes or you can give up the wallet. Ah, you don't want to go jail? Thank you for your cooperation."
What I find most interesting is that anybody else in America that had $1B to their name - dirty or otherwise - would have almost zero probability of going to prison in the short-to-medium-term, and would therefore never actually hand over the cash. Very, very good lawyers are quite affordable at that point. It's hard to imagine someone with $1B in drug money, for example, just handing it over to the feds. A very quic…
Having a BTC wallet is one of the only ways to have a billion dollars and zero institutional power, so the money is little help here. The US government is also heavily incentivized to come down hard on these sorts of people because they’re threatening the dominance of the US dollar.