Research Note Researched

Minnesota Prosecutes Federal Agents — ICE Agent Castro Charged with Assault

MN · FIPS 27053

Overview

On May 18, 2026, Hennepin County Attorney Mary Moriarty, working with Minnesota Attorney General Keith Ellison, charged ICE Agent Christian J. Castro (age 52) with four counts of second-degree assault with a dangerous weapon and one count of falsely reporting a crime. Moriarty may be the first county or state prosecutor in the country to bring criminal charges against a federal agent for conduct during the Trump administration’s 2026 immigration sweeps.

This is a significant escalation in Minnesota’s three-front resistance to Operation Metro Surge: it moves beyond civil litigation (the AG’s 10th Amendment suit) and into individual criminal accountability for federal agents.

The Incident and Charges

January 14, 2026: During a foot pursuit, Castro and another officer chased Alfredo Alejandro Aljorna (a Venezuelan national) to a Minneapolis duplex. Castro fired through the home’s front door, shooting Julio Cesar Sosa-Celis (Aljorna’s roommate) in the thigh.
Castro claimed he had been assaulted by three men wielding a broom and a shovel. Prosecutors said this account was contradicted by video, physical evidence, and victim accounts — Castro “was never under threat” and “was not hit by a shovel, a broom or another object.”
Federal charges against the two Venezuelan men were dismissed in February 2026 after inconsistencies emerged between ICE testimony and evidence.
Second-degree assault with a gun carries a mandatory minimum three-year sentence. An active arrest warrant exists for Castro; he and another agent were placed on administrative leave after video showed untruthful statements.

Broader Accountability Effort

The Hennepin County Attorney’s Office expanded its Transparency and Accountability Project from 17 to 30 cases investigating Operation Metro Surge misconduct.
Two civilians killed during the surge — Renee Good (shot by ICE agent Jonathan Ross, Jan 7) and Alex Pretti (shot by CBP, Jan 24) — have not resulted in charges; those agents reportedly remain employed.
Federal prosecution of state/local officials and the supremacy-clause defense make this “uncharted legal territory” (MPR). It tests whether a county prosecutor can hold a federal agent criminally accountable for on-duty conduct.

Why It Matters

Minnesota is establishing the criminal-accountability prong of resistance to federalized immigration enforcement. If the Castro prosecution survives federal removal and supremacy-clause challenges, it becomes a national template for holding ICE/CBP agents personally liable — a deterrent distinct from civil suits against the agency. The expansion to 30 investigated cases signals this is a systematic program, not a one-off.

FIPS: 27053

Update (2026-06-05): Castro arrested in Texas; federal-removal / supremacy-clause fight looms

On May 29, 2026, Castro was arrested in Cameron County, Texas (he lives in McAllen, Hidalgo County) on the active warrant. Texas Rangers made the arrest, with DHS/Homeland Security agents and Minnesota BCA investigators present — a notable instance of federal agents cooperating in the apprehension of one of their own. He is to be returned to Minnesota to face the four counts of second-degree assault plus false-reporting. Hennepin County Attorney Mary Moriarty called the arrest “a critical step forward in our prosecution.” ICE again called the prosecution “unlawful and nothing more than a political stunt.”

The coming jurisdictional fight. Castro’s attorney is expected to seek removal to federal court and assert Supremacy Clause immunity (the doctrine shielding federal agents from state prosecution for reasonably carrying out federal duties). This is the central legal battleground of the case. The dynamic rhymes with the broader federal-vs-Minnesota detention posture: Minnesota sits in the Eighth Circuit, which in Herrera Avila v. Bondi (Mar 25, 2026) ruled against bond hearings and overturned a Minnesota district-court habeas grant (see bond-hearing-circuit-split-2026) — the same circuit-level deference to federal immigration authority that a Supremacy Clause / removal defense will lean on. If the case is removed and immunity attaches, the state-prosecution template collapses; if it survives in state court, it becomes a national model.

Sources

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