In apartheid South Africa, many desperate parents fought to rescue their children, arrested for so-called ‘anti-apartheid’ activities, from the state’s clutches. Many of these children were tortured, some were murdered; some were as young as nine years old. The Knock on the Door tells the story of the parents who fought back, and of how the anti-detention movement became part of the mass uprising that brought down apartheid. John Simpson chairs a panel with author T...