Gage Halupowski was arrested along with two other protesters in the wake of clashes in Portland’s Pioneer Courthouse Square, later indicted on four criminal charges, including second-degree assault, unlawful use of a weapon, attempted assault of a public safety officer, and interfering with a peace officer. In November 2019, Gage was convicted and sentenced to six years in state prison.

Write:
Gage Halupowski #21894460
Snake River Correctional Institution
777 Stanton Boulevard
Ontario, OR 97914-8335
Birthday: July 1

Info was taken from NYC ABC’s Illustrated Guide to Political Prisoners.
More PP addresses here.