was unknown, but the gunman had psychiatric problems. a pennsylvania dad has been charged with involuntary manslaughter after his two daughters were crushed to death by a dresser. david beity was home alone with his 2 and 3-year-old when the accident occurred. prosecutors say he heard a loud noise when the dresser fell but he took too long to see what happened. both parents charged with endangering children with filthy living conditions. after this week's controversial execution in arizona, a federal judge said it's time to bring backfiring squads. lethal injection given to joseph wood was supposed to take about ten minutes to work. instead he lingered for nearly two hours. so the federal appeals judge involved in woods' case said perhaps death penalty states should revert back to a more primitive method. >> bullets, they work every time. i've never heard anyone walking away from a firing squad. perhaps it will have more value because people will actually see the violence in executions. >> though he's generally in