>>> a background check revealed some startling information about david kopenheffer. n turned down for a $25,000 business loan by harry weiner less than a year earlier. kopenheffer was now the prime suspect in the kidnapping and murder of harry weiner's wife sally. so the fbi put david kopenheffer under surveillance and watched as he took some trash out to the dumpster behind his store. when the fbi seized it, they found some suspicious items. they found a used roll of crepe paper, the same make and color as the paper found with the ransom notes. >> the fbi was able to match up the tear from that roll of crepe paper which was in the trash at the bookstore to one of the actual flags. >> they also found bits and pieces of paper. the fbi painstakingly pieced them together. >> and that note actually was a duplicate of one of the notes that was left at one of the sites that mr. weiner was directed to go to after the kidnapping of his wife. >> armed with a search warrant, the fbi found a stack of metal file cabinet rods in kopenheffer's shed, similar to the ones found with t