SAN FRANCISCO (AP) — A federal judge in San Francisco is weighing whether the Trump administration violated federal law by sending National Guard troops to accompany immigration agents on raids in Southern California. A three-day trial on the matter concluded Wednesday.

A federal judge in San Francisco seemed unconvinced after a three-day trial that the continued deployment of federalized members of California’s National Guard — who were originally deployed to Los Angeles in response to protests against President Donald Trump’s immigration agenda — is lawful.

A federal judge in California appeared poised to rule against the Trump administration over its troop deployment in Los Angeles to quell anti-deportation protests, expressing concern such deployments could quickly become a “national police force.