The family of a Yale University graduate student killed in a research lab just days before she had planned to get married in 2009 sued the Ivy League school Tuesday, claiming it had failed to adequately protect women on campus for years, the Associated Press reports. The wrongful death lawsuit was filed in New Haven Superior Court by lawyers for the family of Annie Le, a 24-year-old Placerville, Calif., native whose strangled body was found stuffed upside-down in a wall at the Yale lab building on Sept. 13, 2009. That was the same day of her scheduled wedding and five days after she disappeared. Prosecutors also said there was evidence of a sexual assault…