walder, an ex—cia operative and fbi special agent specially trained in counter—intelligence. i asked if she could give us a sense of the type of person who's been accused of spying. from what i have been able to glean, he was a security guard, a check point guard. to some people i know that may seem, why don't you get the head of the embassy as a human asset, but sometimes it's really about access, not who is in charge. if you think about how we caught bin laden, it was through his courier, not his deputy. the things he could have provided to the russian intelligence services, it is really remarkable, he could have given them security codes to get into the embassy, he could have given them floor plans, security protocols.