Complete Colorado

AG Phil Weiser sets sights on Colorado cops cooperating with ICE

GRAND JUNCTION–Attorney General Phil Weiser is suing a Mesa County sheriff’s deputy for allegedly tipping off Immigrations and Customs Enforcement (ICE) agents about a foreign national college student with an expired visa.  Weiser’s investigation has also spread to other state and local agencies on the Western Slope in an apparent probe of Colorado law enforcement cooperating with ICE.

Weiser, who is term-limited, is running for the Democratic primary for governor in 2026 as an underdog against U.S. Senator Michael Bennet.

Mesa County deputy, Alexander Zwinck, is being sued for allegedly sharing the driver’s license, vehicle registration, and insurance information of the 19-year-old nursing student, Caroline Dias Goncalves, with federal agents after his interaction with her during a traffic stop.

Zwinck was part of drug task force that uses a signal group chat titled “GJ Highway Hitters” which includes agents from federal Homeland Security investigations.

The encounter with the Utah college student happened on June 5, when Zwinck sent her personal information into the signal chat, telling the officers her location and the direction she was headed.

A new Colorado state law, passed in this year’s legislative session, both reinforces and expands Colorado’s protections for immigrants living in the country illegally, barring state and local governments or officials from sharing immigration information with federal ICE agents, unless part of a criminal investigation.

Weiser filed the lawsuit on Tuesday in Mesa County District Court.

Weiser says the student’s detention by ICE, that lasted for two weeks until she was released on bond, was a violation of Colorado law by Zwinck, who was placed on administrative leave after the incident.

“Because of this action, we are making clear that Colorado law enforcement’s role is to advance public safety, not take on the responsibility of doing the work of federal immigration enforcement,” Weiser said.

Along with Zwinck and the Mesa County Sheriff’s Office, Weiser is now launching an investigation into other police agencies, including the Eagle County Sheriff’s Office, Vail Police Department, and the Colorado State Patrol.

All four of these agencies were included in the signal chat where Zwinck leaked the information.

Based on conversations noted in the lawsuit, Weiser speculates there is further cooperation with federal ICE agents among these police agencies.

Complete Colorado will continue to follow the story as it develops.

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