A former police captain in the Paris crime squad, Hervé Jourdain is the author of Sang d’encre au 36 (readers’ prize at the VSD Grand Prix du Polar, 2009), Psychose au 36 (2011), Sang de la trahison (Quai des Orfèvres’ prize, 2014), Femme sur écoute (Grand Prix Sang d’Encre, 2017) and Tu tairas tous les secrets (2018). He now works as an analyst at the Ministry of the Interior.