The U.S. Supreme Court on Wednesday will hear oral argument in Caniglia v. Strom, a case that could have sweeping consequences for policing, due process, and mental health, with the Biden Administration and attorneys general from nine states urging the High Court to uphold warrantless gun confiscation. But what would ultimately become a major Fourth Amendment case began with an elderly couple’s spat over a coffee mug. (snip)But in its first amicus brief before the High Court, the Biden Administration glossed over these concerns and called on the justices to uphold the First Circuit’s ruling. Noting that “the ultimate touchstone...