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Now Playing: How Far Will Addicts Go to Get Fix?
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Now Playing: 'I Gave Him a Needle'
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Now Playing: Young Addicts Struggle to Get Clean
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Now Playing: Road to Recovery
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Now Playing: Building a Future Without Drugs
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Now Playing: Lori Vallow's sister speaks out after J.J. Vallow, Tylee Ryan are found dead: Part 11
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Now Playing: Police investigation leads to shocking discovery: Part 10
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Now Playing: Investigators say Alex Cox’s phone points them to missing kids J.J. and Tylee: Part 9
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Now Playing: Alex Cox dies shortly after getting married: Part 8
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Now Playing: Police question Lori Vallow, Chad Daybell about kids’ whereabouts: Part 7
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Now Playing: Chad Daybell's wife dies shortly after frightening encounter: Part 6
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Now Playing: Ex-husband of Lori Vallow’s niece shot at while returning home: Part 5
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Now Playing: Lori Vallow moves to Idaho after husband’s death: Part 4
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Now Playing: Charles Vallow shot and killed by brother-in-law: Part 3
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Now Playing: Trouble in Lori Vallow’s 4th marriage as she’s drawn into religious group: Part 2
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Now Playing: Lori Vallow gets married in Hawaii as authorities search for missing kids: Part 1
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Now Playing: J.J. Vallow’s grandparents on how his mom’s parenting changed
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Now Playing: Lori Vallow’s former in-laws remember her prepping for apocalypse in Idaho
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Now Playing: Lori Vallow’s friend says she became ‘superfan’ of Chad Daybell and doomsday ideology
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Now Playing: Margaret Rudin is released from prison, continues fight to clear her name: Part 11