only if they decided they were willing to risk a fight with the u.s. would they let someone support north korea, so probably not. >> it's interesting a country like north korea which limits the internet and restricts it so much would have armies of hackers even if it's a few hundred people capable of such a sophisticated attack. >> i used to kid we didn't have to worry about north korea because it's hard to be a hacker power when you don't have electricity, but they've poured resources into this field. they probably have a few thousand potential hackers. it's interesting. i.t. has been a growth goal for the north koreans. they even allow a few private north korean companies to subcontract for european firms. this is a place they've done a lot of work. >> that's fascinating. jim louis, thank you very much for your work. >> thank you. ahead, a look at the crime scene of a pakistan school where 132 children were massacred