[gadders]

The whole internet has a "great firewall". Kiwi Farms (whatever you think of them) was taken off the internet for a while due to (I think) backbone networks blocking/not resolving the DNS address. Any power that can be used for you can be used against you.

[ClumsyPilot]

While I agree with the sentiment, we need to distinguish between violent crimes and financial disputes.

Like police have the right to break into your house to stop a murder, but not if you have a payment dispute with someone

[gadders]

I agree, but for "violent crimes" I would think along the lines of the "hire a hitman" forums that were reputedly on the Silk Road dark web site before it was taken down.