Just days after U.S. Olympic team doctor Larry Nassar was sentenced to anywhere from 40 to 120 years behind bars, former Olympics gymnastics coach John Geddert is now reportedly under investigation. John worked closely with the disgraced doctor, who sexually abused hundreds of gymnasts under his care, and now he is a person of interest.

John, 60, was suspended by USA Gymnastics last month and retired a few days later, and is currently being investigated by the Eaton County Sheriff’s office in Michigan — the location of his gym, Twistars, where Larry offered treatments — according to NBC. “We have had people coming forward and our investigation is ongoing,” the sheriff’s office said in a statement Tuesday. However, the allegations or more details have not been disclosed.

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John, who coached the 2012 Olympic team including McKayla Maroney and Aly Raisman, has not commented on the investigation but has denied having knowledge of Larry’s abuse in the past. Recently, victims came together at Larry’s sentencing to share their stories, and many called out John in their testimony. “My mother once told me, if a boyfriend ever treats you the way John does, leave him,” former gymnast Annie Labrie said at the hearing. Another gymnast Lindsey Lemke accused John of threatening her, adding, “He would take girls by the shoulders, squeeze hard enough to leave marks, shake them, and yell directly into their face.”

Bailey Lorencen went on to blame John for the abuse they suffered in Larry’s hands. “There is no excuse for you not knowing what was happening in your gym,” she said. “Except for inexcusable neglect and lack of leadership… I don’t understand why anyone could still want to train [at Twistars], especially knowing that in that back room dungeon, hundreds of your athletes were being molested.”

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John at the 2012 Olympics.

John was previously cleared of criminal charges following two earlier investigations. In 2011 John was accused of assaulting an employee in the parking lot of his gym and again in 2013 by an underage gymnast. Charges were not pressed against him, but he did complete court-ordered counseling in 2014. He recently admitted to “not being perfect.”

“I know my shortcomings as a coach: I have high expectations and high standards, and I am passionate about coaching our gymnasts to realize their full potential,” he wrote in an email obtained by the State Journal. “Sometimes the intensity is challenging — both for our gymnasts and their coaches.” He remains “deeply committed to protecting the safety and well-being of our students.”