World's Most Evil Killers
Sky Mix
Thursday 5 February 2026 21:00 - 22:00 (60 mins)
Billy Mansfield Jr: Billy Mansfield Jr murdered at least five victims, but investigators suspect the extent of his serial killing is still to be revealed. (S8, ep 7) [S]
World's Most Evil Killers may be available on Prime Video (affiliate link)
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