Derek and Eileen Severs were described as pillars of their community. They were wealthy, in their 60s, and enjoying the life they built for themselves. Now retired, they could have never guessed that one of their biggest worries would soon put an end to that happiness.

Sources for this episode:

https://www.truecrimelibrary.com/crimearticle/the-son-from-hell/

Forensic Files Season 2 “The Dirty Deed”

https://murderpedia.org/male.S/s/severs-roger.htm

https://aboutforensics.co.uk/roger-severs/