A theft and a hold-up, an impostor trying to collect an inheritance, the disappearance of a lab mouse worth several hundred thousand dollars, and a number of other cases : these are the investigations led by Maurice Manori, a police inspector known for being quick on the draw. He owes his reputation to his highly effective (but very unconventional ) methods. His secret weapon ? Graph theory. In search of the truth, Inspector Manori draws graphs that will introduce you to the