(FILES) In this file handout photo taken on February 10, 2018, and provided by the Syrian Democratic Forces (SDF) shows captured Islamic State (IS) group fighter El Shafee el-Sheikh, posing for a mugshot in an undisclosed location. - El Shafee Elsheikh, a member of the notorious Islamic State kidnap-and-murder cell known as the "Beatles," was found guilty of all charges on April 14, 2022 in the deaths of four American hostages in Syria. (Photo by Handout / Syrian Democratic Forces / AFP)