The family of a man suspected in the slaying of his millionaire grandfather filed a lawsuit in New Hampshire on Monday accusing him of killing his grandfather and possibly his mother, who was lost at sea during a mother-son fishing trip, in a bid to collect a multimillion-dollar inheritance.

Nathan Carman’s maternal grandfather, wealthy real estate developer John Chakalos, was found fatally shot at his Connecticut home in 2013. Carman, of Vernon, Vermont, was a suspect in the death of Chakalos, who was 87, but no one was arrested. | More…

| AP