- HD 1080
- Runtime: 99m.
- Status: Released
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- Languages: fr
- Country: France, Italy
- Director: Nadine Trintignant
- Stars: Jean-Louis Trintignant, Michel Bouquet, Charles Denner, Juliet Berto, Bernadette Lafont
- keywords: woman director, defense lawyer
- Production_studio: Lira Films, Medusa
- The Défense de savoir is featured in the top rankings of 1973
- #68 in Top Crime Movies of 1973
- #59 in Top Thriller Movies of 1973
When a woman is accused of murder, the investigation slowly reveals numerous political connections. Laubret, the court-appointed defense lawyer, does everything in his power to expose the truth.