It was late March when Joe Teirab, the second-in-command at Minnesota’s U.S. attorney’s office, received an urgent email from Washington.
The federal government was scrambling to find criminal cases to back up President Donald Trump’s claims that illegal voting by noncitizens was tipping the scales in American elections. Agents from Homeland Security Investigations, a massive federal law enforcement agency, had been dispatched to work leads across the country, including hundreds in Minnesota.
