On 8 June 1993, a few weeks before his trial was scheduled to open, Bousquet was shot dead at his apartment at 34 Avenue Raphaël in Paris by the 51-year-old Christian Didier who, accused of murder, pleaded not guilty, as he claimed the killing was justified by Bousquet's wartime crimes. With a history of pursuing former Vichy officials, Didier held a press conference to announce his killing of a "monster". He was defended by and Arnaud Montebourg. Didier was ruled sane although the court heard testimony about his mental problems; he was convicted and sentenced to ten years in prison.