How changing phone numbers was the key mistake ‘grieving widower’ made that exposed him as the brutal killer of his wife

WHEN a hiker set off on an idyllic walk in a quiet nature reserve, it quickly turned into the stuff of nightmares when he came across a badly decomposing body that had been wedged inside a fallen tree. It was the body of Karen Ristevski, 47, who had vanished from her $1.1million two-storey home in...