Those sites are run on a decentralized proxy network of sorts, called Tor. It's basically impossible to track, all the spy agencies can really do is gather info and hope they slip and accidentally reveal something about their location. This might take months, years, or it might never happen.
Fun fact: The US government is funding the Tor project with millions of dollars every year. That's not a conspiracy theory, you can check it on Wikipedia. I guess they use to to communicate with spies abroad and stuff. Like 80% of their budget comes from various intelligence agencies, the rest is donations.
Those sites are run on a decentralized proxy network of sorts, called Tor. It's basically impossible to track, all the spy agencies can really do is gather info and hope they slip and accidentally reveal something about their location. This might take months, years, or it might never happen.
Fun fact: The US government is funding the Tor project with millions of dollars every year. That's not a conspiracy theory, you can check it on Wikipedia. I guess they use to to communicate with spies abroad and stuff. Like 80% of their budget comes from various intelligence agencies, the rest is donations.