The Department of Homeland Security is seeking neighborhood “rapid response” Signal group chats as it defends itself in a lawsuit accusing it of violating protesters’ First Amendment rights, according to recent court filings. Attorneys for protesters in the case argue that the move itself is a First Amendment violation.The case, Hilton v. Noem, was filed in federal court in Maine earlier this year. Plaintiffs in the case accuse DHS of violating their First Amendment rights by surveilling their a...