The only people making threats online are either idiots or agents provocateurs. This applies to all anonymizing and traffic hiding services, all of which are compromised, witting or unwitting, the more popular and trusted the greater the compromise. Lesson one of comsec, trusted systems are the best source for entrapment. No trap works better than to promise confidentiality, untraceability, anonymity, invulnerable communications, slathered with endorsements by best of reputations, vast numbers of users, webs of trust, face-to-face key signings, bragging about never being breached except for an obligatory caution that no system is absolutely secure, beware of faulty implementation -- the favorite exculpation of designers and promoters chanting "unavoidable fixes underway, be patient, help us test and improve. sign up for volunteering into our database of the willing to sacrifice nymity for being part of something very, very important to freedom."