Valya Chervenyashka was tortured in a Libyan jail and accused of infecting hundreds of children with HIV in hospital. She spent eight years in prison and was sentenced to death three times. She tells her story to Dina Newman. Photo: Nurses Valya Chervenyashka (front) and Snezhana Dimitrova on trial at the High Court in Tripoli, August 2006. Credit: AFP/Getty Images.