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News & Commentary about National Security

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The ACLU’s National Security Project is dedicated to ensuring that U.S. national security policies and practices are consistent with the Constitution, civil liberties, and human rights.
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License plate readers on the back of a police car

Jul 23, 2025

Surveillance Company Flock Now Using AI to Report Us to Police if it Thinks Our Movement Patterns Are “Suspicious”

Surveillance Company Flock Now Using AI to Report Us to Police if it Thinks Our Movement Patterns Are “Suspicious”
Members of the National Guard patrol the area surrounding the outskirts of the Capitol Building in Washington D.C.

Apr 16, 2025

Trump's Expanded Domestic Military Use Should Worry Us All

Trump's Expanded Domestic Military Use Should Worry Us All
An exterior view of the International Criminal Court In The Hague, Netherlands, with the sign of with of the official logo and inscription of the International Criminal Court in the foreground.

Jan 30, 2025

Why Sanctioning the ICC Would Be Terrible for Civil Liberties

Why Sanctioning the ICC Would Be Terrible for Civil Liberties
A person is holding a sign outside the Capitol Building that reads " #Keep TikTok".

Jan 15, 2025

Banning TikTok is Unconstitutional. The Supreme Court Must Step In.

Banning TikTok is Unconstitutional. The Supreme Court Must Step In.
A photo of Pete Hegseth.

Dec 26, 2024

Where Defense Secretary Nominee Pete Hegseth Stands on Civil Liberties

Where Defense Secretary Nominee Pete Hegseth Stands on Civil Liberties
Pedestrians walking through Times Square.

Oct 24, 2024

DHS Focus on "Soft Targets" Risks Out-of-Control Surveillance

DHS Focus on "Soft Targets" Risks Out-of-Control Surveillance
The National Security Agency seal is displayed on a mobile phone screen.

Apr 25, 2024

How is One of America's Biggest Spy Agencies Using AI? We're Suing to Find Out.

How is One of America's Biggest Spy Agencies Using AI? We're Suing to Find Out.
CIA logo on cracked wall.

Apr 8, 2024

The CIA's Long and Dangerous History of Refusing to Answer Absurdly Obvious Questions

The CIA's Long and Dangerous History of Refusing to Answer Absurdly Obvious Questions
WASHINGTON, DC - MAY 1, 2021: Marchers demanding the Biden administration make progress on immigration reform, head to a rally near the US Capitol. March began at Black Lives Matter Plaza.

Mar 7, 2024

Biden's Border Politics Won't Fix Our Immigration System

Biden's Border Politics Won't Fix Our Immigration System
A sprawling shot of a California highway system.

Feb 13, 2024

Dozens of Police Agencies in California Are Still Sharing Driver Locations with Anti-Abortion States. We're Fighting Back.

Dozens of Police Agencies in California Are Still Sharing Driver Locations with Anti-Abortion States. We're Fighting Back.