Trump's Domestic Troop Deployment Tests the Limits of a Nearly 150-Year-Old Law
President Trump deployed 800 National Guard troops to Washington, D.C., and Los Angeles citing crime and immigration enforcement amid legal challenges over the Posse Comitatus Act.
- A nearly 150-year-old law called the Posse Comitatus Act regulates when federal troops can intervene in state issues, preventing the military from enforcing domestic laws.
- President Trump deployed National Guard troops in Washington D.C. and federalized Guard personnel in Los Angeles during protests, prompting legal challenges over potential violations of the Posse Comitatus Act.
- The Insurrection Act of 1807 can trigger the suspension of the Posse Comitatus Act, allowing the president to deploy the military domestically in cases of invasion or rebellion.
50 Articles
50 Articles

Trump’s domestic troop deployment tests the limits of a nearly 150-year-old law
As President Donald Trump pushes the bounds of military activity on domestic soil, a debate has emerged over a nearly 150-year old law that regulates when federal troops can intervene in state issues. Read more...
Trump's domestic troop deployment tests limits of nearly 150-year-old law
As President Donald Trump pushes the bounds of military activity on domestic soil, a debate has emerged over a nearly 150-year old law that regulates when federal troops can intervene in state issues. About 800 National Guard troops filed into Washington, D.C., on Tuesday after President Donald Trump said — without substantiation — that they were needed to reduce crime in the “lawless” national capital. Thousands of miles away, a judge in Califo…
The nearly 150-year old law that Trump is testing with domestic troop deployment
President Donald Trump's recent actions have sparked debate over the Posse Comitatus Act, a law from 1878 that limits military involvement in domestic affairs. On Tuesday, about 800 National Guard troops arrived in Washington, D.C., after Trump claimed they were…

Trump's domestic troop deployment tests the limits of a nearly 150-year-old law
President Donald Trump's recent actions have sparked debate over the Posse Comitatus Act, a law from 1878 that limits military involvement in domestic affairs.
The Nearly 150-Year Old Law That Trump Is Testing With Domestic Troop Deployment
As President Donald Trump pushes the bounds of military activity on domestic soil, a polarizing debate has emerged over a nearly 150-year old law that regulates when federal troops can intervene in state issues.
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