For 12 years, Sally Lane and John Letts have been fighting to bring their son Jack - held in Isis prisons in Syria and Iraq - back home to Oxford. They tell the story of how their lives fell apart to chief international correspondent Bel Trew
A week before Farzana Ameen disappeared from Bradford, England in October 2015, she flew to Pakistan, left her bedridden mother with relatives there, and came back. Then she boarded a…