![Jack Jones left a letter behind before he was executed. Now, we know he's a serial killer. | thv11.com Jack Jones left a letter behind before he was executed. Now, we know he's a serial killer. | thv11.com](https://media.thv11.com/assets/KTHV/images/9b1df18a-182a-4993-a5d5-c29fcacd3310/9b1df18a-182a-4993-a5d5-c29fcacd3310_1920x1080.jpg)
Jack Jones left a letter behind before he was executed. Now, we know he's a serial killer. | thv11.com
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Singer Jack Jones and wife Kim Ely attend the 'Staying Alive'... Fotografía de noticias - Getty Images
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Singer Jack Jones, wife Kim Ely and daughter Nicole Jones attend the... Fotografía de noticias - Getty Images
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