Yesterday President Obama claimed during a press conference that he was “unaware” of Benghazi whistleblowers being prevented by his administration from coming forward with valuable information about the terrorist attack on September 11, 2012.

Obama’s response prompted Chairmain of the House Oversight Committee Darrell Issa to issue the following statement:

A lawyer for Benghazi whistleblowers has publicly stated that the State Department is blocking her client’s ability to talk freely with counsel. Over the past two weeks, I have sent four letters requesting that this Administration make information available about how lawyers – who already have security clearances and are representing Benghazi whistleblowers – can be cleared to fully hear their clients’ stories. I have yet to receive any response from the Obama Administration.