Project Salt Box is an investigative newsletter tracing the contracts, spending and property deals behind US immigration detention, using public records and documents. Recent issues cover a sole-source legal contractor for CBP litigation, a no-bid extension of the Camp East Montana detention contract, and a possible new ICE office in Round Rock, Texas.

Economist Bryan Caplan's newsletter offers sharp, opinionated essays on social science, power, immigration, and public intellectuals, often built around experiments and debates. Readers get original arguments with a clear point of view, plus guest replies and analysis of how commentators express contempt and sentiment.

Independent reporting from the U.S.-Mexico border covering border wall construction, immigration enforcement, and borderland history and culture. It also runs Wall Watch, a community-powered map tracking border wall contracts, surveillance technology and construction.

Ravenous is a worker-owned publication that mixes personal essays on restaurants, food and culture with reporting on issues like restaurant data collection and the role of food in community life. Readers get opinionated, first-person takes on specific dining experiences alongside pieces on the broader social meaning of what people eat.