movie, this had morning, the fbi is scrubbing sony's computer system trying to grab enough evidence to be able to definitively point the finger at the hacking culprit. but, john, these investigations are complex and nuanced. and it could be some time before we know for sure. >> pamela brown in washington. there's a lot to discuss here. sony is headquartered, the parent company, headquartered in japan. an area that has had a long-term relationship with north korea. north korea called the film an act of war. will ripley joins us live from tokyo. will, at this point, what's the reaction inside headquarters to these latest hacker threats? >> reporter: well, sony executives are keeping quiet right now, we've made repeated requests to speak to them. and those requests have been turned down. i can tell you on the ground here in tokyo, john, there are