whatever. certainly not 100% clr identification of osama bin laden. >> reporter: there is no smoking gun, no photograph of bin laden, just a tall shadowy figure in a compound that arouses suspicion. still, the odds are good enough for panetta to make a case to the president. >> i think the argument was this was the best chance we have ever had. the odds have never been higher and if we don't take this opportunity, the odds may never be this good again. >> reporter: panetta tapped vice admiral william mccraven to hatch an action plan. three options are put on the table. >> one of them was to just go in and bomb it, obliterate it. the problem with that is you probably wouldn't have a body left and you couldn't show evidence that osama bin laden was really there. the next option was to send in an unmanned drone with a