The University of Colorado, Boulder, denied liability in the civil rights lawsuit, which the couple filed after a comment about a dish that one of them was heating in an office microwave.

The resignation of the agent, Tracee Mergen, was only the latest shock wave to have emerged from the Justice Department’s handling of the shooting of Renee Good.

The columnist Jamelle Bouie argues that the Trump administration’s immigration policy has more in common with ethnic cleansing than actual immigration enforcement.