LOS ANGELES (CBSLA.com) —    Authorities announced that a  72-year-old convicted rapist was sentenced Wednesday to 520 years to life in state prison for sexually assaulting a 9-year-old girl.

Deputy D.A. Ani Bailey said John Adam Whitsell was found guilty on Oct. 12 of four counts each of lewd acts upon a child and oral copulation or sexual penetration with a child 10 or younger and one count of forcible oral copulation of a victim under 14 years old.

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In 1971, Whitsell was convicted of two counts of aggravated rape in two separate cases in Louisiana and served seven years in prison for those convictions.

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The defendant babysat the young family member at her Canyon Country home between Jan. 1, 2015 and June 30, 2015, according to evidence presented at the six-day trial.

The case was investigated by the Los Angeles County Sheriff’s Department, Santa Clarita Station.

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