A cross-ideological group of U.S. Supreme Court practitioners and former clerks on Thursday called for U.S. Attorney General William Barr to be held accountable for what they called the Trump administration’s “immoral” and “undemocratic” use of force against protesters in Lafayette Square on the evening of June 8.

“A line was crossed last week. And we, as lawyers, must speak out to defend it,” the group wrote in a statement posted on Medium.