Delusional killer murders au pair over her ex celebrity lover - Killer Britain With Dermot Murnaghan

8:00

Sabrina Kouider couldn't have lived such a glamorous lifestyle without the help of Sophie Lionnet, the young French au pair who looked after her children. What Sophie didn't know was that her employer was gripped by frenzied delusions and paranoia. Hosted and curated by one of the UK’s best-known journalists, Killer Britain explores British murder stories filled with detective intrigue and chilling storylines. Murnaghan will guide viewers through some of the most deeply shocking crimes of recent times.