In the old days, wiretapping was easy: Law enforcement officials just tapped a wire. Even with cell phones, police merely had to take a warrant to the phone company and tell it to tap the number.
But now, in this age of Skype and instant messaging, things are a lot trickier, and law enforcement says it needs help.
Federal law already requires tech companies to cooperate with court-ordered surveillance. The problem, says FBI general counsel Valerie Caproni, is that the companies offering services like Web-based e-mail or social networking sometimes can't cooperate.