A nurse who met her new partner on a dating app not realising he was a convicted child rapist and murderer came home from work to find her two daughters knifed to death. Vitaly Molchanov went on the run after the killings of Yana Saprunova and Elena Saprunova, aged 13 and eight and a major manhunt was launched. One month ago divorcee Valentina Saprunova, 40, moved 1,600 miles with her daughters from her Siberian home to move into her new boyfriend’s flat, convinced she had found true love. The nurse had met Molchanov online via a dating app around six...