Who was On the Point of Death directed by, given the following information?

Context: Fabio Garriba was an Italian stage, film and television actor.

Life and career
Born in Soave, Garriba started his career on stage, and in 1969 he made his film debut in Dziga Vertov Group's Wind from the East. He later worked with prominent directors such as Roberto Rossellini, Bernardo Bertolucci, Ettore Scola, Marco Bellocchio and Luigi Magni. He also had leading roles in films directed by his twin brother Mario, notably the Golden Leopard winner On the Point of Death.

Garriba also worked as assistant director for Bernardo Bertolucci, Pier Paolo Pasolini, Marco Ferreri and Carmelo Bene. His only work as director, the short film I parenti tutti, was screened at the 68th Venice International Film Festival alongside his brother's works in the retrospective "Orizzonti 1960-1978". Garriba also published several collections of poetries.

Answer: Mario Garriba directed On the Point of Death which stars his brother Fabio in a leading role.