By Alexandra Sifferlin
July 9, 2014

The adopted son of convicted sex offender and former Penn State University assistant football coach Jerry Sandusky will appear on Oprah Winfrey’s cable talk show to discuss his childhood sex abuse at the hands of his father.

Matthew Sandusky will give his first interview since his father’s conviction on Oprah Prime on July 17.

During the trial, Matthew came forward and told police about abuse committed by Sandusky, who was convicted of sexually assaulting 10 young boys in June 2012. His adoptive mother, Dottie Sandusky, accused him of lying and stealing from the family. In the teaser below, Matthew tells Oprah about Sandusky’s “bedtime ritual”:

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