Reletter
Artwork for Project Salt Box

Investigative reporting on the money and contracts behind immigration detention, grounded in the public record.

Platform
Substack
PricingOnly free issuesPublishesDaily
Issues141Founded9 months agoLast Issue4 days ago
Active

Read this Newsletter

projectsaltbox.com
Artwork for Project Salt Box

Latest Issues

ICE Wants New Immigrant Detention Built in a Year, Half Its Own Deadline

U.S. Immigration and Customs Enforcement is pressing the companies that would build its new detention housing to work faster, cutting its own construction timeline in half and offering higher scores in the competition to bidders who commit...

4 days ago
37
2

CBP's $9 million plan to collect fines from deported people has no way for them to pay

Image: CBP. Illustration: Michael Wriston.

U.S. Customs and Border Protection wants to collect immigration debt from people its sister agency, ICE, has deported. Before bidding on the overseas collection contract closed on Friday, companie...

6 days ago
52
11

U.S. Border Patrol wants a contractor to track down deported people abroad and collect their immigration fines

Photo: Towfiqu Barbhuiya (Unsplash). Logo: DHS. Illustration: Michael Wriston

U.S. Customs and Border Protection is looking to hire a private company to find people the United States has already deported and collect unpaid immigration fine...

13 days ago
111
33

Inside ICE's Plan to Stop Renting Detention Space and Start Building It

U.S. Immigration and Customs Enforcement posted a solicitation on Thursday for a construction program worth up to $10 billion, a move to build and expand detention space on land the agency owns rather than lease it.

The solicitation begins...

a month ago
63
21

DHS Reverses Course on Roxbury, N.J., Warehouse, Telling Court It May Convert the Site to Detention After All

Updated July 11, 2026, at 9:53 a.m. ET to include a statement from David Broderick, legal counsel for Project NINJA.

The Department of Homeland Security told a federal court Friday evening that it is reconsidering its decision to abandon p...

a month ago
74
15

Key Facts

Contact Information
Newsletter Author
Number of Subscribers
Find out how many people subscribe to this newsletter.

Audience Metrics

Subscribers, engagement, traffic and sponsorship for Project Salt Box.

SubscribersEngagement88Monthly Web Visits
Accepts SponsorsEstimated Cost per Ad

SEO Reach

Where Project Salt Box ranks on Google, and how much search traffic it brings in.

Ranked Keywords141Monthly Search TrafficTop Keywords

Chart Rankings

How this newsletter ranks in the official Substack charts.

#99
Substack
/News(Free)

Authors

The writers behind this newsletter.

  • Project Salt Box

    Public records enthusiasts. Tracking the flow of post-OBBBA homeland security procurements and government contracts.

  • Michael Wriston

    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.

  • m.

    Migrant, total liberationist, aspiring polyglot. Ardently, quietly, etc.

  • Em Knepp

    Independent researcher and writer with a focus on immigration enforcement and federal procurement. Views are my own.

  • Frequently Asked Questions

    How can I access the email archive for Project Salt Box?

    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.

    How many subscribers does Project Salt Box have?

    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.

    How can I advertise in Project Salt Box?

    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.

    How much does it cost to sponsor a publication like Project Salt Box?

    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.

    How can I find newsletters related to Project Salt Box?

    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.

    How do I contact Project Salt Box?

    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.