and their research led to a brand of scotch tape called 811. >> doesn't leave a residue. it's very easy to apply. it's very easy to take off without damaging anything. >> so they used it to piece together the damaged floppy disks. to their enormous relief, it was a success. >> it took some initiative, and it worked. there were lots of cheers. it was pretty cool. it was pretty rewarding that we developed a technique that was working and we actually were getting data. >> what some said would cost close to $1 million had only cost $131. >> and that included $50 for the first disk drive that we destroyed. >> but was there any information on the disks that would implicate sergeant joe snodgrass in his wife's murder?