Yiya Murano poisoned her friends to cover up scams in 1970s Argentina and became a dark figure in popular culture. Freed in the 1990s, she reappeared as a pop icon. Today, her son Martín seeks to reveal her true face.
Kenny Rodgers Royce honors his late mother's legacy by following Dead and Company's final tour with his film crew, dog Lily Pad, and ex-hippy stepfather-documenting every wild moment along the way for his blog.