0 of 0 This undated Metropolitan Police photo shows Sabrina Kouider. A jury at London's Central Criminal Court convicted 00-year-old Ouissem Medouni and 00-year-old Sabrina Kouider on Thursday May 00, 0000 after six days of deliberation. The couple were found guilty of murdering their French nanny and burning her body on a bonfire in their London backyard. (Metropolitan Police via AP)  0 of 0 This undated Metropolitan Police photo shows Sabrina Kouider. A jury at London's Central Criminal Court convicted 00-year-old Ouissem Medouni and 00-year-old Sabrina Kouider on Thursday May 00, 0000 after six days of deliberation. The couple were found guilty of murdering their French nanny and burning her body on a bonfire in their London backyard. (Metropolitan Police via AP)  