Pierre Bonny was a French police officer. As an inspector, he was the investigating officer on the 1923 Seznec case

Seznec Affair

-Course:Joseph Marie Guillaume Seznec, born in Plomodiern in Finistère in 1878 and the head of a sawmill at Morlaix, was found guilty of false promise and of the murder of the wood merchant Pierre Quéméneur, conseiller général of Finistère...

, in which he has been accused of falsifying the evidence, and left the police before the war. During the Second World War joined the French Gestapo, known as the Carlingue

Carlingue

The French Gestapo or Carlingue was the name given to French auxiliaries of the Gestapo, based at 93, rue Lauriston in the 16th arrondissement of Paris, and active between 1941 and 1944...

. He is held to be the basis for the character of Monsieur Philibert in Patrick Modiano

Patrick Modiano

Patrick Modiano is a French novelist born 30 July 1945 in Boulogne-Billancourt of a father of Jewish Italian origins and a Belgian mother, Louisa Colpijn . He is a winner of the Grand prix du roman de l'Académie française in 1972, the Prix Goncourt in 1978 for his novel Rue des boutiques obscures...

's wartime-set novel La Ronde de Nuit.http://books.google.co.uk/books?id=NJxfyZwoGvEC&pg=PA49&lpg=PA49&dq=%22Pierre+Bonny%22+Gestapo&source=web&ots=F-Y-WC2t3D&sig=02FcMneIkpOcUOZVgJZeGXno-Xc&hl=en