A former special needs instructor in Mansfield, Texas, was sentenced Tuesday to 60 years in prison after he admitted sexually abusing young boys and recording the assaults.
Kelly Dan Williams Jr., who worked at Mary Orr Intermediate School, was indicted by a federal grand jury on two counts of sexually exploiting children. He pleaded guilty in January.
Williams, 62, was arrested after someone saw him performing a sex act on an 11-year-old boy in a bathroom stall at the school in June 2015, prosecutors said.
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Police executed a search warrant on his home and seized videos of him performing a sex act on a boy who appeared to be younger than 12, prosecutors said.
The video appeared to have been made in February 2010 in a school bathroom stall.
Williams pleaded guilty to that incident and a separate assault a month earlier.
He was sentenced by U.S. District Judge Terry Means in Fort Worth.