Joyce Saville
From Tardis Wiki, the free Doctor Who reference
Joyce Saville was killed by Mary in 1984. She punctured through Melanie's ribcage and tore out her heart. Her death was classed as unsolved. "No burns around the wound, no residue of powder. Gunshot ruled out." Torchwood Three doctor Owen Harper found her case under Operation Lowry. (TV: Greeks Bearing Gifts)