FBI is fighting back against the federal judges order to reveal the Tor Exploit and with DoJ filed a sealed motion requesting the review of the ruling. A federal public defender working on the case is defending Jay Michaud, a Vancouver public schools administration worker arrested by the FBI right after the FBI closed a popular child pornography site called Playpen hosted in the dark web. The FBI was able to harvest around 1300 IPs, and until the moment 137 people have been charged.”]
Source: http://securityaffairs.co/wordpress/45772/laws-and-regulations/feds-tor-exploit-code.html