I turned my back for a second & my girl, 6, vanished from our garden – it would be the last time I saw her alive

BEAMING at her six-year-old daughter Airlie playing in the garden - Katie Montgomery, 39, had no idea that as she turned her back, it would be the last time she would see her alive. Katie had been watching her middle child, who was autistic and non-verbal, through the kitchen window, but in a matter of...