In response to Stalin's Moscow "show trial" convicting Leon Trotsky of anti-revolutionary sedition - a second kangaroo court was convened in Mexico in which Trotsky and his fellow travelers offered a public defense on behalf of the accused.
"[Trotsky] produced evidence of many sorts, though not always complete, and scoffed at the idea of his having plotted with the 'doomed regimes' of Japan and Germany against the Soviet Union. His specific defense was laid against the background of his public and private writings, by which he attempted to show in general that he has always opposed terrorism."
Click here to read about the Soviet agent who murdered Trotsky...