S1, E6: Judge Robert Rinder examines more real-life cases. When Sian O'Callaghan disappears, police arrest local taxi driver Christopher Halliwell, but Sian is not his only victim.

S1, E6: Judge Robert Rinder examines more real-life cases. When Sian O'Callaghan disappears, police arrest local taxi driver Christopher Halliwell, but Sian is not his only victim.