A Bismarck martial arts instructor accused of inappropriately touching a student and shooting video of three others in changing rooms is headed for trial in late October.

Adler Scheer, 23, was charged in May with one felony count of gross sexual imposition and three felony counts of surreptitious intrusion. He pleaded not guilty to all of the charges Monday.

Bismarck police Detective Jacob Bratsch testified that a concerned parent contacted police after a student at ATA Martial Arts Studio found a phone in one of the changing rooms. The phone was identified as Scheer’s, and he consented to a search of it. Police during a forensic search of the phone found six deleted files of students, all under the age of 14, in changing rooms, Bratsch said. Scherr told police he made the videos because he was curious about their bodies and wanted to fulfill a sexual urge, Bratsch said. 

Judge Cynthia Feland rejected a request from Scheer’s attorney, Jesse Walstad, that the charge of gross sexual imposition be dismissed. Walstad said the alleged touch occurred while Scheer was assisting an 11-year-old student with a stretching exercise and was an accident. Bratsch testified earlier that there may have been one instance of accidental touching but that Scheer was being charged for another incident.

Feland set aside three days for the trial, starting Oct. 30.

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(Reach Travis Svihovec at 701-250-8260 or Travis.Svihovec@bismarcktribune.com)