intelligence community's tracking of osama bin laden. the raid was guided by a group of satellites in space which pointed dozens of separate receivers over pakistan to collect a vast amount of data as the mission took place. the document also notes the united states watches both allies and enemies. pakistan is mentioned as a, quote, intractable target and counterintelligence operations are strategically focused on the priority targets of china, russia, iran, cuba and israel. >> i don't think that would surprise anybody.

snowden reveals details which insiders say could provide damaging insight for foreign intelligence services. among the revelation, u.s. intelligence agencies have made slow progress trying to address key questions about chemical and biological weapons and intelligence collection related to them. on syria, the national security agency monitored unen crypted communications at the start of the civil war until president assad's forces discovered it was taking place. one expert says because this disclosure is comprehensive

>> north korea says may be the most difficult to read with what are described as five critical gaps in intelligence about the nuclear and missal programs and analysts knowing almost nothing about the intentions of new leader kim jong-un. the document revealed that the nsa planned to investigate some 4,000 possible insider threats this year. interesting that it was revealed in a story by former contract employee snowden, one of their own. in washington, mike emmanuel, fox news.