# ICE Collected One Million DNA Samples

Immigrants' DNA recorded for national security.

- **Source:** [Schneier on Security](https://brifing.si/source/7aee9996-c7c0-47f7-89ec-66a1ed95f8cc)
- **Published:** 2026-08-19
- **Original article:** <https://www.schneier.com/blog/archives/2026/08/ice-collecting-dna-samples.html>
- **On Brifing:** https://brifing.si/s/a53ec698-7dcc-4de7-9dfd-a2f3b2cb0bd5

## ICE's DNA Collection Program

The U.S. Immigration and Customs Enforcement (ICE) collected approximately one million DNA samples in 2025. These samples were primarily taken from immigrants and used for national security purposes. The collected DNA was recorded in the FBI's CODIS database, which includes an index of offenders' DNA, with DHS samples forming a subset of this index.

## Increase in the Database

In 2019, DHS samples constituted only 0.2% of CODIS's 'Offender' index. However, this percentage is expected to rise to 33% by 2030. This increase reflects the rapid growth in the number of DNA samples taken from immigrants. Although the samples were collected under civil authority, they remain searchable against crime scene samples.

## Legal Controversies

According to Georgetown Law School, the Fourth Amendment allows warrantless searches for identification purposes but not for solving crimes without cause. Despite this, ICE's DNA collection program was described as having the 'primary purpose' of building a 'national DNA database.' This has sparked legal debates.

## Fourth Amendment Violation

Georgetown Law School's 2024 report states that DHS's DNA collection program violates the Fourth Amendment. The report highlights that the government is using its immigration powers to collect genetic material at a pace that would not be possible using criminal policing powers. The indefinite retention of DNA samples poses significant risks given advancing technology and political instability in the U.S.

## Impact on Immigrants

The DNA collection program has a significant impact on immigrants. Immigrants are compelled to provide DNA samples, which are stored indefinitely. This violates their privacy rights and leaves them potentially vulnerable to future criminal investigations.

## Technological Advancements

Rapid advancements in DNA technology raise concerns about how collected samples might be used in the future. Specifically, there is concern that DNA samples could be used to identify relatives and potentially detain them as well. This raises ethical and legal questions.

## International Comparison

The U.S.'s DNA collection program stands out when compared to other countries. Nations like Canada, Germany, France, and the UK do not have similar programs. This raises questions about the U.S.'s steps towards becoming a 'police state' and sparks debates in international public opinion.

## Future Implications

ICE's DNA collection program could have significant future implications. The indefinite storage of collected DNA samples, combined with advancing technology, leaves uncertainty about how these samples might be used. This poses potential risks for both immigrants and the general population.

## Sources covering this story

- https://www.schneier.com/blog/archives/2026/08/ice-collecting-dna-samples.html — 

---

_Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._
