Thief River Falls: Altendorf Held on Felony HRO Charge

THIEF RIVER FALLS — (trfnews.i234.me) Preston Altendorf was booked into the Pennington County Jail on Tuesday, June 30, 2026.

The jail record lists one felony charge under case number 26003059.

The charge alleges Altendorf violated a harassment restraining order.

Altendorf was listed on hold when the public booking information was posted.

The record showed a bail or fine amount of $0.00.

No court date appeared in the information available Tuesday.

The case was assigned to the District Court.

Charge Listed as Felony

The booking entry cites Minnesota Statute 609.748, subdivision 6(a).

That section addresses violations of harassment restraining orders issued under Minnesota law.

The jail record labels the alleged offense as a felony.

However, the brief entry does not describe the reported conduct.

It also does not identify the protected person or provide details about the order.

No location was listed for the alleged violation.

The record also does not state when the alleged conduct occurred.

Preston Altendorf booking photo. Click the image to visit the official inmate search.

Booking Information

Altendorf was listed as 5 feet, 8 inches tall and weighing 235 pounds.

The booking entry listed brown hair and blue eyes.

The public record showed Altendorf remained in custody under a hold.

A $0.00 entry does not explain whether release conditions were pending.

Release terms can be set or changed during later court proceedings.

The official Pennington County inmate locator may show updated custody information.

Court Process Still Pending

The available entry did not list an upcoming hearing date.

More information may become available after prosecutors file court documents.

Those records may explain the facts supporting the charge.

They may also identify any conditions tied to the restraining order.

This report does not name any police officers.

The supplied jail record did not include officer names.

A jail booking records an arrest or detention.

It does not prove the person committed the alleged offense.

Altendorf is presumed innocent unless proven guilty in court.

Booking details may change after hearings, charging decisions, or release orders.

Readers can review Minnesota law through the state Revisor of Statutes.

They can also visit the Pennington County Sheriff’s Office corrections page.

I’m Chris Harper, reporting for TRF News.

Want more news from your town?

Choose your hometown and the stories you care about.

Get My Town Alerts →