A Portland man has been sentenced to 30 months for throwing a rock at an ICE officer

A man who admitted to assaulting a government official during protests outside the US Immigration and Customs Enforcement facility in Portland, Oregon, last year was sentenced to 30 months in federal prison on Thursday.

Robert Jacob Hoopes previously pleaded guilty to aggravated assault of a public servant with a deadly weapon.

According to court documents, Hoopes threw a rock during a June 2025 protest that hit an ICE Enforcement and Removal Operations officer in the face, “causing serious injury.”

Prosecutors said the officer's wound bled profusely and affected his vision. The officer also required treatment beyond basic first aid.

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“Today's message is clear – violence is not protest,” US Attorney for the District of Oregon Scott Bradford said in a statement. “If you cross the line and hit a public official, you will be prosecuted.”

In addition to the prison sentence, Hoopes was ordered to serve three years of supervised release and pay more than $8,000 in restitution.

As previously reported by Fox News Digital, FBI investigators identified Hoopes using facial recognition technology.

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Anti-ICE protesters clashed with federal agents outside the US Immigration and Customs Enforcement building in Portland, Ore., on Oct. 18, 2025. (Mathieu Lewis-Rolland/Getty)

According to the charging documents, investigators sent a photo published by OregonLive.com to the software available for facial recognition.

Federal authorities said the software produced about 30 matches from publicly available databases.

Detectives then reviewed the results and identified a photo on the Reed College SmugMug page titled “Canyon Day April '23.” Prosecutors say the tattoo seen on the man's arm is similar to the tattoo the suspect saw during the June 14 protest.

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Federal agents clash with anti-ICE protesters outside the US Immigration and Customs Enforcement building in Portland, Oregon, on Oct. 12, 2025. The protests followed President Trump's earlier threat to deploy the National Guard. (Mathieu Lewis-Rolland/Getty)

Hoopes' father, Tom Hoopes, previously described his son as a “lifelong Quaker deeply committed to pacifism” in an interview with KATU.

Although he did not deny that his son attended the protest, he refused to talk about his involvement.

“What his involvement was: I can't speak to that, but he is very committed to justice,” KATU quoted him as saying.

The Department of Justice has pursued charges against dozens of people accused of assaulting government officials during protests against President Donald Trump's policies.

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Brendan John Geier was arrested and charged after allegedly assaulting government officials during a protest outside Newark's Delaney Hall campus, authorities said. (Acting AG Todd Blanche via X; Selcuk Acar/Anadolu)

Recently, clashes between protesters and law enforcement outside Delaney Hall, an immigration detention center in Newark, New Jersey, led to dozens of arrests.

Fox News Digital's Rachel Wolf and The Associated Press contributed to this report.