A Canadian nurse has been charged with eight counts first-degree murder in connection with the deaths of eight patients at nursing homes where she worked. The facilities were located in Woodstock and London, Ontario. Elizabeth Tracey Mae Wettlaufer, 49, is in custody and appeared at the Ontario Court of Justice on Tuesday. The nursing home, Caressant Care, said it is cooperating with investigators, who began looking into the incidents in late September. The victims all were killed between 2007 and 2014.