| web | Matt Apuzzo and Adam Goldman | New York Times | 2017-03-06 |
| web | Matthew Bell | PRI | 2014-12-20 |
| web | | Human Rights Watch | 2014-07-21 |
| web | Nafeez Mosaddeq Ahmed | The Guardian | 2014-04-25 |
| web | Spencer Ackerman | The Guardian | 2014-04-22 |
| web | Glenn Greenwald, Ryan Gallaghe... | Huffington Post | 2013-11-27 |
| web | Adam Goldman and Matt Apuzzo | Associated Press | 2013-08-28 |
| web | Liz Goodwin | Yahoo! News | 2012-09-12 |
| web | Matt Apuzzo and Adam Goldman | Associated Press | 2011-08-24 |
| web | Chris Hawley | Associated Press | 2012-02-18 |
| web | Alexander G. Higgins | Associated Press | 2009-11-29 |
| web | William Kates | Associated Press | 2004-12-17 |
| web | | US Defense Science Board | 2004-09-01 |