Markwayne Mullin of the Department of Homeland Security said Wednesday that ICE officers will have to undergo more than 500 hours of training again.

Mullin and his deputy secretary answered lawmakers' questions in front of a Senate appropriations subcommittee the day before.

Markwayne Mullin of the Department of Homeland Security said Wednesday that ICE officers will have to undergo more than 500 hours of training again.

Homeland Security Secretary Markwayne Mullin says Immigration and Customs Enforcement will increase training for new officers