The woman at the centre of the Duke University lacrosse player rape scandal has been charged with trying to kill her boyfriend, police said. Crystal Mangum is accused of stabbing the man, named locally as Reggie Wilson, in the chest after an argument in the early hours of Sunday morning in the apartment they share in Durham, North Carolina. The 32-year-old was charged with assault with a deadly weapon with intent to kill, while Wilson was recovering in hospital.