Erin Lee Carr’s latest two-part doc for HBO tackles one of the grizzliest — and weirdest — true crime cases to make international headlines in recent years. In fact, the tale at the center of Undercurrent: The Disappearance of Kim Wall is likely already familiar to HBO viewers, as Tobias Lindholm’s six-part narrative series The Investigation is based on the same bizarre event. It was back in 2017 that the Swedish journalist Kim Wall, living with her boyfriend in Denmark at the time, went missing in the waters right off Copenhagen following a trip in a homemade midget submarine built […]