FARGO, N.D. (trfnews.i234.me) — A 54-year-old Fargo man was arrested following reports of threats near Island Park.
Fargo police identified the man as Shannon Grindberg. He was arrested for alleged terrorizing following a reported disturbance near the park.
Officers responded to the 300 block of Fourth Street South after receiving a report about Grindberg’s behavior.
The initial account described Grindberg as acting erratically near the downtown park. It also alleged that he had threatened people in the area.
When officers arrived, Grindberg reportedly tried to flee. Police stopped him a short distance from the park and took him into custody.
Police Respond Near Island Park
The reported encounter happened near Island Park, a public park in central Fargo.
The Fargo Park District lists its address as 302 Seventh Street South. The park includes walking paths, recreation areas, and gathering spaces.
The exact date and time of the police response were not included in the initial account. It also did not say how many people reported threats.

The available information does not quote the alleged threats. It also does not describe any weapon or reported injuries.
The account does not say whether Grindberg was taken directly to jail. It also does not give a court date or case number.
Understanding the Terrorizing Allegation
Under North Dakota law, terrorizing can involve threats of violence or false warnings about serious danger.
The law considers whether someone intended to cause fear or knowingly risked causing fear or disruption.
A violation of the state’s terrorizing statute is classified as a Class C felony.
However, an arrest does not establish guilt. Charges, if filed, must be handled through the court process.
The exact allegations against Grindberg cannot be determined from the brief account alone. The reported arrest should not be treated as a conviction.
Additional Information and Court Records
Information about filed charges and future hearings may be available through the North Dakota Courts public case search.
The Fargo Police Department also explains how the public can request police reports.
Some records may be unavailable while a case remains active. Public court records can also change as proceedings continue.
Further information would be needed to confirm the incident timeline, any formal charges, and the next court hearing.
I’m Adrian Cole reporting for TRF News.
Copyright 2026 TRF News. All rights reserved.
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