In a killing described as "an American horror story," a man and his girlfriend were charged with murder for beating her 3-year-old son to death in their West Caln mobile home, Chester County District Attorney Thomas Hogan said Thursday. Hogan said his office would seek the death penalty against Gary Fellenbaum, 23, and Jillian Tait, 31, for torturing Tait's son Scott McMillan to death over three days with a homemade whip, a curtain rod, a piece of aluminum siding, and their fists, at one point while he was taped to a chair. The boy was discovered Tuesday after he died,...