Examines the clues and evidence of notorious unsolved crimes.

Ice cold -- Judge Crater, where are you? -- The mad bomber -- Pyromaniac -- Slavemaster -- In broad daylight -- Death in the mail -- The legendary D.B. Cooper -- Shocker -- Whatever happened to Jimmy Hoffa? -- The enemy within -- The first use of DNA -- The cold case that chills my heart -- Permanent relief -- More cold cases : a capsule guide -- How criminal investigations go wrong.