Killer demanded police quiz nanny over pop star

The alleged murderer of Sophie Lionnet was ‘fixated’ with whether the nanny had met with her ex boyfriend who used to be in Boyzone, the Old Bailey heard. Ms Lionnet, 21, was imprisoned and tortured by fashion designer Sabrina Kouider, 35, and jobless Ouissem Medouni, 40, before they killed her, it is claimed. French-Algerian Kouider and Medouni then threw her body on a bonfire while Medouni grilled chicken on a barbecue nearby. Kouider took Ms Lionnet to Lavender Hill Police…