Nearly 58 years after he repeatedly hit 10-year-old Betty Lou Zukowski with a rock and dumped her in a in West Springfield river, Donald Mars pleaded guilty to manslaughter Thursday morning, Hampden DA Anthony Gulluni announced.
Nearly 58 years after he repeatedly hit 10-year-old Betty Lou Zukowski with a rock and dumped her in a in West Springfield river, Donald Mars pleaded guilty to manslaughter Thursday morning, Hampden DA Anthony Gulluni announced.