Khizr-Khan-speech If you’re new here, you may want to subscribe to my free Email alerts. Thanks for visiting!Welcome Back!7/28/16- Khizr Khan lost his son, Capt. Humayun Khan of the Army, to the war in Iraq more than a decade ago, speaks at the Democratic National Convention, in Philadelphia. 7/28/16- Khizr Khan lost his son, Capt. Humayun Khan of the Army, to the war in Iraq more than a decade ago, speaks at the Democratic National Convention, in Philadelphia.