Dennis Rader, a Cub Scout leader and church council president who called himself BTK for "Bind, Torture, Kill," pleaded guilty to ten murders spanning 17 years. He had been caught earlier in 2005 after sending police a floppy disk containing metadata that traced back to his church computer, ending one of America's longest-running unsolved serial murder cases.
For three decades Wichita lived with a peculiiar dread. Dennis Rader, an ordinary-seeming compliance officer for the city and a Boy Scout leader, had murdered ten people between 1974 and 1991, then periodically resurfaced to taunt investigators with letters, poems, and even a coded puzzle sent to a local television station, all signed BTK.
The case went cold for over a decade until Rader, apparently craving renewed attention, contacted police again in 2004 and 2005. He asked, almost incredibly, whether a floppy disk could be traced back to him. Told it could not, he sent one anyway. Digital forensics investigators found metadata pointing to a Lutheran church computer and a user named Dennis, linking him instantly to the crimes.
On June 30, 2005, Rader stood in a Sedgwick County courtroom and calmly, methodically described each murder in flat, clinical detail, as if reciting a grocery list, chilling everyone present including hardened detectives. He was sentenced to ten consecutive life terms. The case became a landmark in digital forensics, a stark lesson in how a single overlooked metadata trail can unravel decades of careful concealment.
Key people: Dennis Rader