Shamima Begum , 15 , Kadiza Sultana , 16 , and Amira Abase , 15 , in Syria . Left east London for Turkey then went into CCTV-controlled part of Syria . Feared to have gone to conflict zone to become 'jihadi brides ' with CCTV . Families have retracted their steps to find clues or even contact with girls . They say they begged police to take their computers to look for clues . But officers only took the machines 'after being asked many times '
Shamima Begum , 15 , Kadiza Sultana , 16 , and Amira Abase , 15 , in Syria . Left east London for Turkey then went into ISIS-controlled part of Syria . Feared to have gone to conflict zone to become 'jihadi brides ' with ISIS . Families have retracted their steps to find clues or even contact with girls . They say they begged police to take their computers to look for clues . But officers only took the machines 'after being asked many times '