The Federal Bureau of Intelligence (FBI) is pushing for a law that will make them wiretap into social networking sites as well as other peer-to-peer services.
There has been the 1994's Communications Assistance to Law Enforcement Act (CALEA) that gives the law enforcement agency a direct back-door access to users' data during warranted investigations just as they began with carriers in 1994 and expanded to broadband providers in 2004.
