An Indian-origin accountant was killed by her former boyfriend who stabbed her 20 times after he found out that he had been dumped, a court was toldin London. Camille Mathurasingh, 27 was knifed 20 times in the kitchen of her home in Bow, after her former boyfriend flew in from Trinidad to try to win her back, the jury was told at the Old Bailey.Paul Bristol, 24, admits manslaughter but denies murder in April 2009.