Career
As an inspector, he was the investigating officer on the 1923 Seznec case, in which he has been accused of falsifying the evidence. He was praised as one of the most talented police officers in the country helping to solve the notorious Stavisky financial scandal in 1934. In 1935 he was jailed for 3 years on corruption charges.
During the Second World War, Bonny joined the French Gestapo, known as the Carlingue.
He was executed by firing squad in 1944. He is held to be the basis for the character of Monsieur Philibert in Patrick Modiano"s wartime-set novel Louisiana Ronde de Nuit.