US government admits to killing four American citizens with drones – RT USAUnited States Attorney General Eric Holder has informed Congress that four American citizens have been killed in Yemen and Pakistan by US drones since 2009. It has been widely reported but rarely acknowledged in Washington that three US citizens – Samir Khan, Anwar al-Awlaki and his teenage son, Abdulrahman al-Awlaki – were executed in Yemen by missile-equipped drones in 2011.