Manitowoc County school bus driver arrested for possession of child pornography
MANITOWOC, Wis. (WFRV) – A 39-year-old Manitowoc man was arrested Tuesday after a search warrant revealed he was in possession of child pornography, authorities said.
According to a release, the Manitowoc Police Department launched an investigation based on a CyberTip from the Wisconsin Department of Justice and the National Center for Missing and Exploited Children.
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The CyberTip indicated that a Dropbox.com cloud storage account user attempted to share a file from the account. Investigators reviewed the file and confirmed it was a video depicting child sexual abuse material.
Through the investigation, police identified the owner of the Dropbox account as Justin J. Zipperer of Manitowoc. Authorities determined the account contained numerous video files depicting child sexual abuse material.
On Tuesday, officers executed search warrants at a residence in the 300 block of Riverview Drive and at a business in the City of Manitowoc where Zipperer was formerly employed.
During the searches, officers seized numerous electronic devices. Zipperer was contacted and admitted to possessing and viewing the child sexual abuse material, according to police.
He was taken into custody and booked into the Manitowoc County Jail on charges of possession of child pornography.
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Authorities noted that the purpose of the release is to identify any additional potential victims. Through the investigation, police learned that Zipperer worked as a school bus driver and had transported students in the Valders Area School District.
Anyone with information related to this case is encouraged to contact the Manitowoc Police Department at 920-686-6557.
Copyright 2025 Nexstar Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.
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