According to court documents a Cumberland County detective killed in a home invasion Oct. 15 managed to shoot one of her attackers.On Monday, authorities charged three men in the slaying of Prosecutor’s Office Detective Sgt. Monica Mosley. A fourth person was charged with hindering the investigation into Mosley’s killing, according to the Cape May County Prosecutor’s Office, which is leading the investigation.“This is a significant step toward justice for Detective Sergeant Monica Mosley and her family,” Prosecutor Jeffrey H. Sutherland said in a statement.