 In 1978, when Willis's daughter Rosemary was interviewed by investigators from the House Select Committee on Assassinations, she stated to the HSCA that her father became upset when the Dallas policemen, sheriffs, and detectives—who first quickly ran onto the grassy knoll where Phillip thought the shots came from—then ran away from the grassy knoll.In Willis's Warren Commission testimony he stated that shots came from the Texas School Book Depository.Willis stated in a 1979 interview