Date: May 20, 2014 – Author: Siobhan Gorman – Publication: The Wall Street Journal

Date: May 20, 2014 – Author: Spencer Ackerman – Publication: The Guardian

Date: May 20, 2014 – Author: Alex Byers – Publication: Politico Pro

Date: May 7, 2014 – Author: Spencer Ackerman – Publication: The Guardian

Date: May 1, 2014 – Author: Jason Koebler – Publication: Vice Motherboard

Date: May 1, 2014 – Author: Adrianne Jeffries – Publication: The Verge