Four non-violent campaigners said Tuesday that their First Amendment rights were violated last year by  Treasury Secretary Steve Mnuchin, who attempted to suppress video of the group’s peaceful demonstration against the Trump administration at an event at UCLA in 2018.

Opening arguments in the trial began Friday and continued Tuesday morning at the Los Angeles County Superior Court.

The quartet, members of the Revolution Club and Refuse Fascism LA, potentially face more than two years in prison. As Common Dreams reported at the time—with an article titled “After Being Told He’s ‘Full of Sh*t’ at School Event, Mnuchin Demands UCLA Suppress Video”—the group protested a talk Mnuchin gave at UCLA’s Burkle Center in February of last year.

The protesters spoke out against the Treasury secretary’s participation in passing President Donald Trump’s $1.5 trillion tax break for the wealthy and his support for sanctions against North Korea.

“[Mnuchin] is part of a regime that is hell-bent on consolidating fascism,” the group said at the demonstration. “Don’t stand aside.”

The demonstrators remained in their seats during the demonstration, but UCLA accused them of “disturbing the peace” as well as resisting arrest and trespassing.

“While the Trump/Pence fascist regime threatens humanity, gutting the rule of law, stacking the courts with fascists, rounding up immigrants, consolidating a fascist America, many more need to be ‘disturbing the peace’ of fascist normalization. To do so is righteous, necessary and just!” —Michelle Xai, Revolution Club

“Mnuchin was bragging about killing sanctions and their politics of cruelty, but we’re charged with ‘disturbing the peace’ for speaking loudly during his event!” Michelle Xai, one of the “UCLA 5” who took part in the protest, said in a statement. “These cases are criminalizing constitutionally protected protest and speech.”

The group says University of California police officers stalked them in the weeks after their protest, tracking their activities and license plates while they were engaged in “constitutionally protected political organizing.”