serial killer Robert Pickton. - Jooyoung Lee, sociologist"The parallels with the Pickton case are obvious in some cases," said criminologist and Western University professor Michael Arntfield. Hiding evidenceBut there are some serial killers who go through this process just to try and discard the bodies. "In those cases, it was about hiding evidence that could potentially implicate them as a serial killer," Lee said. As for the motivations of serial killers, Lee said they vary.

Source: CBC News January 30, 2018 16:00 UTC