Deputy Secretary of Homeland Security nominee under investigation

Alejandro Mayorkas, the director of the U.S. Citizenship and Immigration Services, has been named a target of an ongoing investigation into a visa program. Mayorkas is suspected of helping a company run by Hillary Clinton’s brother secure an international investor visa that had originally been rejected. He is President Barack Obama’s choice to be Deputy Secretary of Homeland Security. NBC’s Michael Isikoff joins NewsNation with the latest.July 23, 2013