Denver Sues Trump Administration over Funding Pulled for Nuclear Detection Program
- On May 14, 2025, the Department of Homeland Security froze funding for the Securing the Cities program, prompting Denver and four other cities to file a lawsuit against DHS and its secretary.
- The lawsuit argues that DHS overstepped its authority by pausing congressionally approved counterterrorism funds, violating Congress's power over government spending.
- The freeze halted reimbursements, forced cancellation of critical training, delayed equipment repairs, and suspended use of a $263,000 mobile detection unit used in daily operations.
- City Attorney David Chiu criticized the Trump administration for abruptly cutting the Securing the Cities grant without providing any justification, emphasizing that protecting local communities remains the city's highest priority.
- The lawsuit demands that DHS resume funding and process pending reimbursements, while cities warn that frozen resources risk public safety and security at upcoming major events like Super Bowl LX.
24 Articles
24 Articles

Five cities, including Denver, sue to keep federal funds
(The Center Square) – Federal funding to a number of major American cities is once again in jeopardy as the federal government looks to tighten its purse strings.
Denver sues after Trump administration freezes large-scale security threat funds
DENVER (KDVR) — The city and county of Denver is suing the Trump administration alongside Chicago, Boston, San Francisco and Seattle, after funding for a counterterrorism program was frozen. The grant program is called Securing the Cities, and Denver said Monday that the funding has been used for equipment used daily by the Denver police, Denver Fire Department, Denver Health and the Colorado State Patrol. It also funds security sweeps and infra…


Denver joins lawsuit to stop Department of Homeland Security from freezing counterterrorism money
The City and County of Denver joined four other cities in a lawsuit against the Trump administration regarding the freezing of funds used for counterterrorism measures.
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