
Investigative reporting on the money and contracts behind immigration detention, grounded in the public record.
| Platform | Pricing | Only free issues | Publishes | Daily | |
|---|---|---|---|---|---|
| Issues | 172 | Founded | a year ago | Last Issue | 2 days ago |
| Active | |||||

Secretary of Homeland Security Markwayne Mullin tours U.S. Citizenship and Immigration Services in Camp Springs, M.D., May 29, 2026. (DHS photo by Mikaela McGee)
U.S. Citizenship and Immigration Services is seeking contractors to help buil...
The Department of Homeland Security plans to give a Nebraska company a no-bid contract for software meant to let federal agents search billions of wiretap, phone, and location records, according to a notice posted Wednesday.
Agents using t...
Data from USASpending.gov includes prime contract awards and modifications.
ICE establishes its own detention construction contracts: ICE signed seven contracts with a combined ceiling of around $8 billion for con...
Photo: Alex Knight on Unsplash
Phone calls, messages, and video visits from people in immigration detention could soon feed a single AI-powered system that builds voice profiles, interprets slang, and maps whom detainees talk to and spend...
A rendering of the WatersEdge office complex at Brooks, a redevelopment of the former Brooks Air Force Base in Southeast San Antonio. The General Services Administration awarded two leases worth $51.2 million to a company that lists its add...
Subscribers, engagement, traffic and sponsorship for Project Salt Box.
| Subscribers | Engagement | 84 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Where Project Salt Box ranks on Google, and how much search traffic it brings in.
| Ranked Keywords | 141 | Monthly Search Traffic | Top Keywords |
|---|
How this newsletter ranks in the official Substack charts.
| #79 |
The writers behind this newsletter.
Public records enthusiasts. Tracking the flow of post-OBBBA homeland security procurements and government contracts.
Independent data journalist and erstwhile photographer based in Baltimore, MD. Forever enamored by the liminal, the misunderstood, and the unconventional. Public record enthusiast at Project Salt Box. Views are my own.
Migrant, total liberationist, aspiring polyglot. Ardently, quietly, etc.
Independent researcher and writer with a focus on immigration enforcement and federal procurement. Views are my own.
You can find recent issues that have been published by Project Salt Box on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
To see how many people subscribe to Project Salt Box, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
Newsletter advertising can be extremely effective when it's done right. Before you pitch Project Salt Box as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact Project Salt Box using the contact information provided and ask for a copy of their media kit.
Scroll up to where it says Related Newsletters to see other publications like Project Salt Box. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.