Zaki Kamal Hussein, commander of a local Turkmen-led branch of Iraq's Popular Mobilization militias, and police official Mahmoud Ali inspect the site of an alleged chemical weapons attack in the town of Bashir, Iraq, May 10, 2016.Yuri Kozyrev—NOOR for TIME It was midmorning on Sunday May 8 when the rockets began to fall on the abandoned town. At first there was the thud of the shells, followed by