Who killed Russian revolutionary Leon Trotsky, and why? Ramon Mercader-the Stalin acolyte who tracked down Trotsky in Mexico and planted an ice axe into his skull in 1940-is the subject of this intriguing documentary. Featuring remarkablearchive footage of Frida Kahlo and Diego Rivera (with whom Trotsky resided for a time while on the run) as well as insightful testimonies from Mercader relatives and others, the film reveals new perspectives on the assassin of a controversial and key figure in Soviet politics. 98 min. Widescreen (Enhanced); Soundtrack: Spanish; Subtitles: English. In Spanish with English subtitles.