Murat participated in the student and guerrilla movements against the military dictatorship in Brazil in the 1960–1970s.

She was imprisoned and tortured by military agents; that experience exerted a strong influence on her work.

[1] Murat worked as a journalist for newspapers like Jornal do Brasil and O Globo before becoming a film director.

[2] Her feature film Que Bom Te Ver Viva is a compendium of stories and memories of her and other political prisoners.

[3] In 2004, she returned to the theme with Quase Dois Irmãos, winning the Best Ibero-American Film Award at the Mar del Plata Festival.