and ken oringer shows us how. > >> announcer: from the global resources of abc news, with terry moran, cynthia mcfadden and bill weir in new york city, this is "nightline," may 13th, 2011. >> good evening, i'm bill weir. thanks for tuning in. for the past decade, we knew osama bin laden was a mass murderer with fantasies of creating a twisted religious wonder land where all immortality would be purged by the men in charge. what we didn't know was that he was apparently a big fan of porn. his image seems to shrink with each new discovery from that pakistani compound, and martha raddatz has tonight's latest details. >> reporter: it was dark, chaotic and a literal blur of gun fire when s.e.a.l.s grabbed the treasure trove of intelligence inside the abbottabad house. intelligence that reveals some stunning bin laden past times. in fact, u.s. officials say they have learned more about terrorism in the last ten days than they have in the last ten years. one of the things they learned, which they were not expecting, a quote, huge stash of pornographic videos and magazines, in a wooden box in