leader kim jong-un. something the country condemns as an act of war. u.s. law enforcement sources tell cnn is that the strong suspicion is that reclusive country is the instigator of the hack and possibly outsourced it to a group elsewhere as retaliation for the controversial film. the fbi is scrubbing sony's computer system, trying to gather enough evidence to be able to definitively point the finger at the hacking culprit. >> it is a complex nuanced investigation. the sophisticated hackers have gone through multiple multiple infrastructures to get to where they've gotten to. so it's not something that sony is going to solve in a day or a week or a month. >> now hollywood studios are breaking their silence on the cyberattack. the motion picture association of america releasing a statement saying that it supports sony during this difficult time. but it is clear, alisyn and chris, that the hackers are now trying to ratchet up fear leading up to the expected release of the movie next week.