Brother Omar went to same high school as infamous ISIS preacher . He was rumored to be part of a tight circle of deeply - religious schoolboys . Claims his Facebook profile saying he liked controversial hate preacher . Same preacher inspired one of Lee Rigby 's killers to convert to Islam . ben John 's family have now moved back to father 's native Kuwait .
Brother Omar went to same London school as infamous ISIS killer . He was said to be part of a tight group of deeply-religious schoolboys . Claims his Facebook profile showed he liked controversial hate preacher . Same preacher inspired one of Lee Rigby 's killers to convert to Islam . Jihadi John 's family have now moved back to father 's native Kuwait .