Pictured: Girl, 14 ‘who stabbed severely disabled sister, 19, to death as their parents slept’

Claire Miller, left, has been accused of stabbing 19 year-old sister Helen, pictured right in wheelchair, to death. Claire, 14, has been charged with murder as an adultA 14 year-old girl stabbed her disabled 19 year-old sister to death at their home as their parents slept, police say. Claire Miller – who has been identified after being charged as an adult – is said to have knifed sibling Helen, who had cerebral palsy, to death at their family home in Lancaster, Pennsylvania, on Monda