Caroline Glachan, 14, was murdered by her drug addict boyfriend and a jealous rival who had previously threatened to batter her as she found herself at the heart of a fatal love triangle in 1996.
Nearly 30 years on, the pictures of smiling innocence retain their power to haunt. In one, a 14-year-old schoolgirl is dressed in smart white shirt and tie, thick curls of tumbling dark hair.
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