Thief River Falls: Olson Booked on Domestic Assault

Thief River Falls (trfnews.i234.me) — Preston Jeffery Olson was booked into the Pennington County Jail on September 5, 2026.

The jail roster lists Olson, 37, under the Pennington County Sheriff’s Office.

He faces one gross misdemeanor domestic assault charge involving an alleged subsequent violation.

The charge is listed under Minnesota Statute 609.2242, subdivision 2.

Jail Records List One Charge

Public jail records list Olson at five feet, 10 inches tall and 175 pounds.

The roster lists blond hair and blue eyes.

His inmate type is listed as PCSO.

The current public entry lists one charge connected to the September 5 booking.

The roster does not provide details about the events leading to the charge.

It does not identify an alleged victim or describe any reported injuries.

Preston Jeffery Olson

The public entry also does not explain where the alleged incident occurred.

No police officers are named in this report.

Minnesota law defines domestic assault as certain assaultive conduct against a family or household member.

That can include intentionally causing fear of immediate bodily harm or death.

It can also include intentionally causing or attempting to cause bodily harm.

Subdivision 2 addresses certain repeat domestic assault cases.

The law applies when another qualifying domestic violence-related offense occurred within the previous ten years.

A violation under that subdivision is classified as a gross misdemeanor.

The maximum sentence listed by state law is 364 days in jail.

The law also allows a fine of up to $3,000, or both penalties.

Readers can review Minnesota Statute 609.2242 for the full law.

The jail listing represents a custody record and does not establish guilt.

Olson is presumed innocent unless proven guilty through the court process.

Future court filings may provide more information about the allegations.

Those records may also include bail, hearing dates, or release conditions.

Custody information can change as a criminal case moves through court.

Readers can check the Pennington County in-custody roster for updated jail information.

TRF News will continue reviewing public records for developments in the case.

I’m Adrian Cole reporting for TRF News.