Balthazar S01E02 - Arrêt de mort

Reeling from the realization that the person who murdered his wife, Lise, could still be at large, Balthazar arrives to a gruesome scene: a beaten man with his face torn off. Everyone the police interview claims the victim was well-liked, so why was he dumped miles from his home, and why didn't he ever mention his years-old injuries to his wife?