Some Republicans are calling for a deeper investigation into federal immigration tactics after a U.S. Border Patrol agent fatally shot a man in Minneapolis. And those calls are an early sign that the accounting of events by President Donald Trump’s administration may face bipartisan scrutiny. The Republican congressman who heads the House Homeland Security Committee is seeking testimony from leaders at Immigration and Customs Enforcement, Customs and Border Protection and U.S. Citizenship and Immigration Services. Two Republican senators are pressing for more information about the shooting. Meanwhile, administration officials remain firm in their defense of the hard-line immigration enforcement tactics in the Minnesota city,