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MUNCIE, Ind. -- Disturbing details of what was found on a former Ball State math professor's computer were released Monday in court documents.

Brian K. Siebenaler was arrested Friday and charged with 22 counts of child pornography and 14 counts of child exploitation. He remains in jail on a $180,000 bond.

According to court records, Ball State University Police were notified someone accessed a website from another country on a classroom computer. Police were unable to identify who was using the computer at the time. Child pornography was not found on the computer because of a system setting which deleted all information from the hard drive when someone logs off.

Ball State IT members and campus police set up an alert system that sends them a message when someone accesses a suspicious website. A few weeks later, they were notified and showed up to the classroom. That's where they found Siebenaler using a computer. Court records show he was "quickly trying to close opened computer windows." He also had a USB drive with him.

Investigators searched Siebenaler's home where they found thousands of images of child pornography on his home computer and storage devices. Court records show Siebenaler maintained a website used to share and store images. Court records state "these files were password-protected and Siebenaler knowingly and intentionally provided the passwords to access these files to other people for the purpose of disseminating child pornography."

Ball State officials said Siebenaler's case is not related to the arrest of a former maintenance manager, Randal Schmidt who was charged for possession of child pornography in a separate investigation.