He was part of a group of four Brits called 'The Beatles' based in the ISIS stronghold of Raqqa(01 of10)
Open Image ModalHe was the ringleader, and in charge of guarding foreign hostages(02 of10)
Open Image ModalThe masked killer who murdered Foley is known as 'John' to the group. (credit:DON EMMERT via Getty Images)
He is left-handed(03 of10)
Open Image ModalHe is probably from south London but could have family links to Afghanistan(04 of10)
Open Image ModalHe was probably chosen for the job because his British accent would be more sinister for Western viewers of the video(05 of10)
Open Image ModalHe emailed the Foley family, furious about the US airstrikes, informing them he would kill their son(06 of10)
Open Image ModalFoley's family had been emailed by ISIS as early as last Wednesday and were informed that the terror group intended to execute the reporter in retaliation for US air strikes against Isis targets in northern Iraq.GlobalPost chief executive, Philip Balboni said that ISIS "made no demands", just informed the family the execution was going to take place. They tried to engage him in conversation, but to no avail, because the jihadist was fuelled by "seething anger". (credit:ASSOCIATED PRESS)
He had previously wanted a ransom to spare Foley's life, but the US government did not pay(07 of10)
Open Image ModalAccording to the New York Times who spoke to a family representative and a captive held alognside Foley, ISIS demanded the United States to provide a $100 million ransom ransom for Foley's life, but unlike several other European countries who did pay out, the US refused. (credit:ASSOCIATED PRESS)
He was the main negotiator in the release of 11 IS hostages earlier this year(08 of10)
Open Image ModalAlmost a dozen hostages, some held for over six months, were handed to Turkish officials. They included two Spanish journalists, one pictured here, Javier Espinosa. (credit:ASSOCIATED PRESS)
The militants foiled an attempted rescue by US Special Ops(09 of10)
Open Image ModalUS President Barack Obama sent troops to Syria this summer to rescue a number of Americans being held hostage, including Foley, senior administration officials said. Several dozen special operations troops who were dropped by aircraft into Syria did not find them and engaged in a firefight with IS militants before departing. (credit:ASSOCIATED PRESS)
The killer treated Foley differently and more harshly that other hostages(10 of10)
Open Image ModalFrench journalist Nicolas Henin spent seven months in captivity with Foley, including a week where they were handcuffed together, telling the BBC Foley was treated as "some kind of scapegoat" and was beaten more frequently. "Some countries like America but also like the UK do not negotiate and, well, they put their people at risk," he said. (credit:ASSOCIATED PRESS)