On a Capitol Hill hearing, Rep. Markwayne Mullin, a staunch Republican from Oklahoma, unleashed harsh words at Democratic Rep. another lawmaker , insisting she should mind her tone .
He then stood firm on the Department of Homeland Security’s strict border rules , claiming the agency only followed orders .
Mullin also laid blame at top ICE officials for allowing misconduct , demanding the agency cut ties and focus solely to lawful actions .
His fiery remarks sparked angry confrontations on the panel, with rowdy reactions erupting on both sides.