Multiple murderer Paul John Knowles murdered 18 people (although he claimed to have 35 victims) after a murder spree that was started when his relationship with a woman called Angela Covic, who he had corresponded with while in prison for an earlier charge, ended after her psychic advised her to cut ties. In response to this rejection Knowles went on a murder spree across the US which lasted months, both shooting and strangling his victims.

He was eventually killed while trying to escape police custody when he was being transferred to a high security prison.