This relative of Markovic, incarcerated for burglary, met several times in secret in his prison, in the early 1970s, with the judge and the commissioner who were investigating the death of his compatriot. He gave them information on the possible involvement of Alain Delon. In the pocket edition of his book “A corpse on the road to the Élysée”, to be published this Wednesday January 22 by J’ai lu, the journalist Hervé Gattegno makes new revelations on these elements.