On April 23, 2013, counsel for the plaintiffs issued a letter to Donald Rumsfeld informing him of the lawsuit and asking him to refer the matter to counsel.

Counsel has requested a response from Donald Rumsfeld by May 22, 2013.

http://witnessiraq.com/wp-content/uploads/2013/04/04.23.2013.Correspondence.Comar_.Rumsfeld.SIGNED.pdf