MSNBC Dateline November 2, 2019 08:33:00
The first number corresponded to a tip from early in the hasse case, the tipster claimed to have overheard two men in a bar saying they'd killed mark hasse. that meant the tip came from william's computer. a follow-up computer search also revealed williams had searched several how-to websites. >> one of the websites was how to throw the police off an investigation by sending in fake tips. >> reporter: the second number on that scrap paper was even more important, because it turned out to be the real thing. it matched back to that computer message that gave details about the hasse murder weapon...