The murder of French actress Marie Trintignant by her partner, singer Bertrand Cantat, in 2003 sparked discussions on domestic violence in France. A Netflix documentary, 'From Rock Star To Killer', revisits the case, highlighting media coverage and societal perceptions at the time. Cantat, a famous musician, was convicted of murder but has since attempted to return to public life. The documentary also sheds light on the tragic story of Krisztina Rády, Cantat's ex-wife, who suffered violence after his release and ultimately committed suicide. The series prompts reflection on the past actions of those involved in the case.