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.

A local news outlet covering Richmond, Virginia and surrounding Central Virginia counties, including government, zoning, transportation and community stories. Issues combine original reporting with a daily newsletter digest of top local stories, weather and sponsor messages.

Forever Wars covers the US national security state, endless war, and the military-industrial complex through reported analysis and commentary. Issues connect the War on Terror to current immigration enforcement, Pentagon financing and foreign interventions, with occasional author news.