Alan Norton, who spent more than 30 years in jail for stabbing his 11-year-old sister Joy to death in 1965, believes that notorious sex offender Edward Paisnel was actually responsible for the killing.

He also accused Paisnel – a predatory paedophile who was convicted in 1971 for a string of sex attacks spanning a decade – of bludgeoning to death au pair Tuula Hoeoek in 1966.

• See Saturday’s JEP for full interview