Michael John Mastin, white male, age 46, was arrested on August 24, 2026, at 2:26 p.m. at 770 Iowa Street, Dubuque, Iowa (Dubuque Law Enforcement Center).

Charge: Theft in the Second Degree – All Other Larceny (felony).

Arresting officer: Barbour, B.

This information is taken directly from the public law-enforcement blotter entry. Under Iowa law, second-degree theft (all other larceny) is a Class D felony that generally involves property valued between $1,500 and $10,000.

No additional details regarding the alleged incident, the bond is $5000 , the court case number were included in the available public blotter at the time of this report. Court records, if filed, may be checked through Iowa Courts Online or the Dubuque County Clerk of Court.

The individual is presumed innocent until proven guilty in a court of law.