Steven Avery was jailed for attacking a jogger, but DNA results proved his innocence. However, when a photographer goes missing, Avery's name is back in the frame.
Roger Coleman was sentenced to death for a murder he denied committing. Did he do it?
Double jeopardy interferes in the prosecution of killer Melvin Ignatow.
When Katharina Brow is murdered, Kenny Waters is the prime suspect. But he's got an alibi.
Frank Sterling admits to killing a grandmother, but his defence team believe he is innocent.
Toni Lister's friend Jimmy is jailed for her murder, but new evidence puts her husband in the frame.