the raymond davis case for a cia contractor was caught after killing two men, unclear altercation, has led to a very intense suspicion and even paranoia about four nor's or anyone connected. you can see the results of that in these aid workers were doing something that is desperately needed and incredibly impoverished area of the country that are being murdered. >> you went to track dr. shakil afridi, what he did leading up to osama bin laden's murder. explain the story as you understand it now. >> dr. shakil afridi was sort of a shady character. he was a bit of a hustler. he was living near the border between afghanistan and pakistan where it was rife with drug smuggling and spy games and all sorts of shady dealings. he was kind of a player in that. at some point, the pakistani government alleges it was via save the children seminar, which that denied, he became an active with the cia and began visiting save houses, taking money to conduct the vaccination program in abbottabad. the interesting thing i found in looking at the story and trying to unwrap the multiple layers of propaganda