This video from the USA says about itself:
25 October 2017
We continue our interview with Khizr Khan, one of the country’s best-known Gold Star family members. Khan famously spoke out against Trump at last year’s Democratic National Convention and now reflects on the war that took his son Humayun’s life, the 2003 Iraq War. Capt. Humayun Khan died while fending off a suicide bomber outside the gate of his troop’s Army compound.