ASHLAND, Ohio (AP) — An Ohio teacher accused of secretly recording his kindergarten students using the bathroom has been indicted on nearly 150 additional charges after his computer was further investigated.

The indictment against 32-year-old Elliot Gornall was filed late last week. It includes dozens of counts of illegal use of a minor in nudity-oriented material and pandering obscenity involving a minor.

Authorities say Gornall recorded 25 of his students using a tiny spy camera that he installed in a bathroom next to his classroom in Loudonville, about 80 miles south of Cleveland.

Ashland County Prosecutor Christopher Tunnell says the additional charges follow investigators’ continued analysis of Gornall’s computer and other equipment. They come after the initial complaint was filed against him in March.

A message seeking comment from Gornall’s attorney wasn’t immediately returned.