'I killed somebody that I didn't even know': Hospital let woman pull the plug on wrong man, lawsuit claims

She was told that her brother was dying, so Shirell Powell hurried to St. Barnabas Hospital in the Bronx in July. The prognosis was bad, Powell was told, she claims in a recently filed lawsuit. Her brother, Frederick Williams, was unconscious from an apparent drug overdose and had severe brain damage. Doctors didn’t think he was going to survive, she said she was told.