It’s been just over a year since Rep. LaMonica McIver (D-NJ), a sitting member of Congress, showed up to Delaney Hall, a U.S. Immigration and Customs Enforcement detention facility in Newark, New Jersey, to do her job.

Members of Congress have the statutory right to conduct unannounced oversight visits at ICE detention centers across the country, and McIver had done it before.

But this time was different.

Things turned chaotic. ICE flooded the facility with agents. The mayor........

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