anywhere in the world. previously u.s. investigators said they have evidence hacker stole the computer credentials of a sony insider. norse believes it was given out and tracked it to one potential suspect a woman code named lena who guidelines says worked for sony for several years. he says lena has ties to the hacking group guardians of peace which claims responsibility for the sony hit. guideline says lena was a security staffer with sony who had what he calls super user access to the company's cybersecrets. user names and passwords to critical systems. he says lena had two motives for hack. >> first of all how sony treated its employee layoffs that were going on in the department but also a bigger issue around piracy and how sony is treating those who had pirated music and been movie and other content and how they had been prosecuted in the u.s. and other countries. >> experts have lingering doubts