The Woman Unmaking America’s Most Famous Murderer

When Kathleen Zellner was little she had a friend across the street who kept a pet duck. Toothbrush was a peaceful soul who liked to eat wasps and paddle around a backyard kiddie pool in their neighborhood in small-town Bartlesville, Oklahoma, in the late 1950s. Zellner was definitely not a peaceful soul—she ordered martial arts guides…