North Korea's Kim Sets Timeline to Denuclearize

The transcript discusses the cautious approach towards North Korea's denuclearization, highlighting the reluctance of officials and experts to fully trust the process. It also covers the 2014 Sony Pictures hack by a North Korean hacker, detailing how the investigation used emails and social media to identify the perpetrator.

How did authorities track down the alleged hacker involved in the Sony Pictures attack?

What role did social media and email play in the investigation of the North Korean hacker?