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b'A teenager is getting ready for a school dance. She\\u2019s quiet and shy but tonight, her friends are making her look and feel like a million bucks. It\\u2019s the summer of 1963, and they will all be dancing to the early strains of rock n roll. But for Margaret Willams, it would be the last dance she would ever attend. The next day her body would be found half naked on a nearby baseball field. Her killer is swiftly captured\\u2014but that is just the beginning of this story. In episode 99, Jac, Alexis and Billy look into a serial killer whose crimes spanned across decades and continents\\u2014and who was finally captured during the search for The Golden State Killer.'