British prisoner , sandy , made two separate attempts to escape ISIS captors . He was punished as a result and nearly drowned during waterboarding . Both of Cantlie 's failed escapes were made with US journalist James Foley . he was able to flee at one point but refused to leave without Cantlie . The prisoner later became the first Westerner to be captured by ' Jihadi John '
British journalist , 43 , made two separate attempts to escape ISIS captors . He was punished as a result and nearly drowned during waterboarding . Both of Cantlie 's failed escapes were made with US journalist James Foley . Foley was able to flee at one point but refused to leave without Cantlie . The American later became the first Westerner to be beheaded by 'Jihadi John '