WHEN Chloe Riley, 14, arrived home from school to find her mother had walked out and left her to fend for herself, she set out to do just that. For a fortnight she carried on as normal, keeping up her schoolwork and telling no one that her mother, Stephanie, an IT teacher, had disappeared. But when she returned home to find the locks changed, she had to accept that she had been abandoned. Her mother had cancelled the tenancy on the council house they had shared in the Wirral and moved in with her lover. For two months the girl...