. >> cia director leanne panetta says he believes the images will be made public but the whus hasn't yet reached a final decision. >> it could be inflammatory. >> reporter: the full story of the mission is still coming to light. tuesday officials revealed bin laden was not armed, as previously thought, and navy s.e.a.l.s killed him only after he resisted. the s.e.a.l.s confiscated a treasure trove of computers, files and hard drives at bin laden's compound. the cia is now analyzing that material for any clues on potential terror plots. this is a look inside the million-dollar complex bin laden once called home. u.s. officials are vowing to get to the bottom of whether pakistan knew he was hiding out here. >> there are questions here that i think do need to be answered, hopefully by the pakistanis themselves. >> reporter: pakistan insists it had no idea of bin laden's whereabouts. yet the compound sits just a half a mile away from a strauling military academy, in a town with more than 100,000 retired and active army officers. director panetta reportedly told lawmaker nbs yesterday's c

jenna: the cia director leanne panetta saying al-qaeda will almost certainly try to avenge bin laden'sh. despite this, homeland security secretary janet napolitano as catherine and jon were discussing says there are no plans to raise the terror alert. u.s. intelligence officials stepping up patrols near mosques and airports and embassies as well. former congresswoman jane harman helped spearhead the response to the 9/11 attacks as ranking member of the subcommittee on terrorism and homeland security and joins me now. congresswoman, your reaction to the news today. >> i had a long-scheduled breakfast this morning with the director of national intelligence, jim clapper, who was obviously very tired, and we agreed that the capabilities that we brought to this evolved over three presidencies and all deserve credit, and reflect the reforms we did in 2004, when congress passed the massive intelligence reform act, and that led us, used all of the different agencies that have just been named in your excellent reporting to go after the identity of these couriers, to find their locations, to tar

leann panetta has made clear he thinks the photograph should be released. and he's been joined by an amen chorus on capitol hill. so, why the delay? >> there's sensitivities here, in terms of the appropriateness of releasing photographs of osama bin laden. >> reporter: would you explain the specifics? >> it's a gruesome photograph. it could be inflammatory. >> reporter: the obama administration says it's 100% certain they killed bin laden. but we now know intelligence was only 60% to 80% certain he was in the compound. >> the reality is, we could have gone in there and not found bin laden at all. >> reporter: that's one reason why there was real nervousness as the president and his top advisers watched in real-time, visual footage of the operation, likely in night vision from a drone aircraft. watching s.e.a.l.s maneuver around the compound. and blow up the helicopter they had to leave behind. panetta was in a corner, explaining to the president and his team, what they were watching. >> once they went into the compound, there was a time period of 20 or 25 m

the students was so convinced by this paper that she actually hand-delivered a copy to leanne pan -- leon panetta's wife. the teacher, gillespie, also gave a copy to the fbi in los angeles. it is unclear whether either one of those agencies actually followed up on this paper but if you read through this thing it really is fascinating on the detail they came up with. >> martha: it's an incredible story, trace. i wonder, you know, a, if they ever looked at that research, and b, if their own, you know, research and their own intelligence on this led them to kind of do the same kind of mapping and figuring in terms of the kinds of places that he might be, you know, who knows if we'll ever know the answer to that but it is fascinating. >> reporter: just to know the fbi locally says they won't confirm nor deny whether they ever took that paper into account but all of this information these students used and the teachers was public information. they put it in, figured it out and that's what they came up with. it's a pretty cool guess. martha: it's encouraging. there's so much talk about our students falli