A death in Tehran: At the height of the protests following Iran's presidential election, a young woman named Neda Soltani was shot and killed on the streets of Tehran. Her death was filmed on a cameraphone, then uploaded to the web, quickly becoming an international outrage. Frontline investigates the life and death of the woman who remains a symbol for those wanting to keep the movement alive. Also unanswered questions in the aftermath of the greatest upheaval in Iran since the 1979 revolution are explored ; Uganda: out of the wild: From the wilds of Uganda's "Impenetrable Forest"-- home to the world's largest population of Mountain Gorillas, but also a hotbet for a number of deadly diseases that cross the species barrier from animals to human.