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.

After spending two days reviewing evidence, a California judge will use the third and last day of trial to examine the legality of the case.

A federal judge is hearing arguments on whether troops deployed this summer by the Trump administration to LA violated the Posse Comitatus Act.