As protests against federal immigration agents’ use of deadly force in Minneapolis spread nationwide, privacy experts are raising alarms. Immigration agencies are using facial-recognition and other tools to identify immigrants – and to track American citizens who observe or protest ICE operations. The surveillance technology allows agents to scan people’s faces and link them to government databases. It’s a practice that those targeted say amounts to intimidation and retaliation. We talk about how the technologies work and what they mean for enforcement and civil liberties.

Guests:

Rachel Levinson-Waldman, director of Liberty and National Security Program, Brennan Center for Justice

Sheera Frenkel, technology reporter, The New York Times; co-author, "An Ugly Truth: Inside Facebook's Battle for Domination"

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