Forensic Files

X Marks the Spot (7x35)

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The local police and the FBI are stumped when a serial killer sends them a map to his latest victim. There is no way to find who sent the map until an Illinois State Trooper traces the map to Microsoft. WorldCom helps investigators map the killers' digital trail to his real name address, where police uncover a sickening dungeon where Maury Travis filmed himself murdering several of his victims.