On October 15, Juan Barbosa Gomez and his wife arrived at Columbia Park in North Portland for their routine walk, unaware that they were about to enter a legal twilight zone. Suddenly, their car was surrounded by masked federal law enforcement officers, who whisked Barbosa away.

For the past two weeks, Barbosa, a 60-year-old grandfather from Mexico, has been incarcerated in the federal immigration detention system, and his family says there's been a terrible mistake. They say he has a valid work visa and no criminal record. He's lived in the U.S. for more than 30 years, working as a welder.

"His record is clean," says Sydney Smith-Mason, who was taken in by Barbosa's family at a young age and considers herself something of an adopted daughter. "He's a good guy."

"Juan himself has been a

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