Blanche had a consistent modus operandi βwhen he spotted the victim, he would break into her house at night, bind her hands and bring her to his car, driving to the outskirts of the city, under the threat of a knife. He then began terrorizing his victim, raping her once or repeatedly, usually in the middle of the countryside. His impulses now appeased, he started behaving as a friend or even a considerate companion, bringing his victim back to their home.
In , Blanche was imprisoned for the first series of rapes. He was released in , despite the warnings of the adverse psychiatric expertise, and he resumed raping in He was rearrested, and his second trial made it to the national headlines, [ not verified in body ] because the French police could not proceed with his arrest, since Blanche acted in several departments that did not share their judicial information.
Jean-Luc Blanche was born in February , the sixth in a family of 14 children. Like many of his brothers and sisters, he was placed in another family at a young age, after suffering abuse at the hands of his parents. At age 8, he returned to his family in Pauvres , in Ardennes. At 17, Jean-Luc found a job as a farm boy, and here got his first conviction. He stayed in prison several times for thefts and falsifying checks. In addition, he also stole bank cards and cars.
In , Blanche left Ardennes, got married and moved to Caen , in Calvados , where he continued his crimes. His wife eventually filed for divorce in , after his seventh conviction. On August 27, , Jean-Luc Blanche kidnapped his ex-wife, driving her to a forest where he raped her several times.
Then he tried to strangle her with a rope, which broke. He then decided to drive her home, but at a stop she opened the door and ran away. On September 7, on Des Jardins Street in Caen, Blanche broke into the house of a woman named Nathalie at night, threatening her with tear gas and a knife.
