FILE - In this May 11, 2010 file photo, Immigration Services Director (USCIS) Alejandro Mayorkas listens to a question on Capitol Hill in Washington. Mayorkas, President Barack Obama's

 

              FILE - In this May 11, 2010 file photo, Immigration Services Director  (USCIS) Alejandro Mayorkas listens to a question on Capitol Hill in Washington. Mayorkas, President Barack Obama
FILE - In this May 11, 2010 file photo, Immigration Services Director (USCIS) Alejandro Mayorkas listens to a question on Capitol Hill in Washington. Mayorkas, President Barack Obama's choice to be the No. 2 official at the Homeland Security Department is under investigation for his role in helping a company secure an international investor visa for a Chinese executive, The Associated Press has learned. (AP Photo/Harry Hamburg)