<br /> According to the SF Gate, Anthony Bourdain was free of drugs at the time of his death.<br />Christian de Rocuingny is the local prosecutor in charge of the investigation.<br />He texted The New York Times to say that there were no substances in Bourdain’s body.<br />Police ruled the celebrity chef’s death a suicide by hanging.<br />Bourdain died on June 8 while filming an episode of CNN’s “Parts Unknown” in Strasbourg, France. <br />