Arlington, Va.—Seven years ago, police officers in Fresno, California, executed search warrants on the homes and business of Micah Jessop and Brittan Ashjian, who owned a business operating and servicing ATMs. Police were investigating a report of illegal gambling. Although neither was ever charged with a crime, police seized nearly $275,000 in rare coins the men owned and cash they used to restock their business’ ATMs. When the investigation was over, police said they’d seized only approximately $50,000 in cash; they kept the remaining cash and the coins for themselves. Most Americans would...