4 ฤดูกาล
34 ตอน
Mark of a Killer - Season 2 Episode 9
A serial killer taunted Wichita, Kansas for decades with brazen letters taking credit for his horrific kills. At the introduction of the computer era, the killer gets sloppy and accidentally leaves a digital clue behind in his final taunt to police.
- ประเทศ : United States of America
- ประเภท : Documentary, Crime
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