Colin admits he has sexually molested several girls, including his sister on two occasions. His parents admit that they didn’t call authorities after they learned of the incidents. It wasn’t until his mother took him to a therapist after the second time he violated his sister that Child Protective Services became involved, and Colin was removed from the family home.

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Colin says he’s been in numerous sexual offender programs but has never completed any because he is “lazy.” He says he is now able to control his urges.

WATCH: Teen Explains Molesting Sister Twice: ‘I Just Wanted My Needs Met’

Dr. Phil, however, says he believes Colin is at high risk for offending again. He offers the 18-year-old the opportunity to seek treatment, but Colin declines the offer.

Watch the video above to see what happens after the show? Does Colin change his mind?

WATCH: Why Man Says He Partially Blames Ex-Wife For Son Becoming Sexual Predator

This episode of Dr. Phil airs Friday. Watch more here.

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How Being Sexually Molested As A Child Shapes A Person As An Adult