Crime Files: 'Horrifying' abuse caught on video, Lori Vallow claims she has alibi

Our top crime stories for the week of Jan. 9: An Arizona dentist's 'horrifying' abuse of daughter with special needs seen on video, yet not reported for weeks; a trafficking suspect in Scottsdale arrested; a man behind bars for the disappearance of Athena Brownfield; Lori Vallow, accused of killing her kids in Idaho, says she has an alibi; and a jury's decision to not indict a former Tucson officer.

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