Comer details documents he alleges ‘implicate’ Walz, Ellison in Minnesota fraud, says they knew Rep. James Comer, R-Ky., discusses Nick Shirley’s congressional testimony related to alleged Minnesota fraud on ‘Hannity.’ NEW You can now listen to Fox News articles! House Oversight Committee Chairman James Comer announced Wednesday that Minnesota Gov. Tim Walz and Attorney General Keith Ellison will testify under oath next month as part of a congressional investigation into a massive fraud scandal