California Trump National Guard Deployments
Trump’s Threat to Deploy National Guard Sparks Legal and Local Concerns
President Trump’s consideration of deploying National Guard troops to cities like Los Angeles and Oakland to combat rising crime has ignited a firestorm of legal and political debate, raising concerns about presidential overreach and the ancient precedent against militarizing domestic law enforcement.
While the White House points to crime statistics as justification, experts warn that such a move woudl likely be illegal in states where the governor does not control the National Guard, and would be met with fierce resistance from local officials.According to White House Press Secretary Karoline Leavitt, law enforcement in Washington D.C., where the president does have direct control over the National Guard, have made 23 arrests for offenses ranging from homicide and drug trafficking to minor infractions like fare evasion. Six illegal handguns were also seized. Though, legal scholars argue that using crime as a pretext for federalizing National Guard units in other states is highly unusual.
“It would be awful because he would be clearly violating his legal authorities and he’d be sued again by the governor and undoubtedly, by the mayors of L.A. and Oakland,” said William Banks, a law professor at Syracuse University. “The citizens in those cities would be up in arms. Thay would be aghast that there are soldiers patrolling their streets.”
The key difference lies in state control. In California, as in most states, the governor serves as the commander-in-chief of the National Guard. this structure places legal limits on the federal government’s ability to deploy those troops within state borders. The District of Columbia, however, operates differently, granting the president broad authority.
The Posse Comitatus Act of 1878 further complicates the issue. Enacted after Reconstruction, the act generally prohibits the use of federal troops for civilian law enforcement. This prohibition stems from a long-held American tradition, dating back to the Revolutionary War, that views military involvement in domestic affairs as a threat to liberty.
“We have such a strong tradition that we don’t use the military for domestic law enforcement, and it’s a characteristic of authoritarian countries to see the military be used in that way,” explained Erwin Chemerinsky, dean of the UC Berkeley Law School and a constitutional law expert. “That’s never been so in the United States, and many are concerned about the way in which President Trump is acting the way authoritarian rulers do.”
The legality of deploying troops during federal immigration raids in Los Angeles in June is currently being contested in federal court in San Francisco,centering on potential violations of the Posse Comitatus Act.
Should Trump attempt to deploy troops to California, Banks stated the only legal avenue would be to declare an insurrection and invoke the Insurrection Act – a drastic measure with meaningful implications.
Federalizing local police departments is also off the table. While the federal government can implement consent decrees to reform agencies with histories of unlawful practices, these actions require evidence of specific civil rights violations. “You are not going to be able to come in and take over because you say crime is rising in a particular place,” said Ed Obayashi, a Northern California sheriff’s deputy and legal counsel on policing.
Local officials echo these concerns. Oakland Councilman Ken Houston, elected in 2024, asserted that his city does not require federal intervention. Despite past struggles with crime, Houston highlighted recent positive trends, noting a 29% decrease in violent crime and a downward trend in property crime compared to the same period last year.
“He’s going by old numbers and he’s making a point,” Houston said of Trump. “Oakland does not need the National Guard.”