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I'm Not Ok: America's Postpartum Crisis

20/20

A woman shoots her neighbor, killing the mother and sparking national outrage; interviews and body camera video document the bitter feud and its aftermath.

Wild Crime

National Park Service Special Agent Beth Shott investigates Harold Henthorn after his second wife, Toni Henthorn, mysteriously falls to her death in Rocky Mountain National Park.

20/20

When a college student is murdered, his mother questions whether the police have done enough to solve the case; an ESPN investigation reveals police have an unlikely suspect.

What Would You Do?

Using hidden cameras, host John Quiñones observes and comments on how ordinary people behave when they are confronted with dilemmas that require them either to take action or to walk by and mind their own business. Various scenarios are created that force people to make split-second -- and often surprising -- decisions, and variations of the situation (such as changing the genders, races or clothing of the people involved) are often featured to see if different reactions are elicited. Examples of situations on the show include a waitress being harassed by her boss, and a drunken valet trying to park cars.

20/20

Police and surveillance footage show the obsession of a stalker who tormented a young woman -- even holding her in a soundproof box -- while she fights for her life and freedom.

Dolly Parton: An American Original -- Special Edition of 20/20

Celebrating Dolly Parton's life, music and legacy -- featuring never-before-seen interviews with Dolly herself, unforgettable interviews with Robin Roberts and Barbara Walters, and reflections from those who knew her best.

20/20

An 11-year-old is kidnapped while biking home, leaving his parents searching for answers; another previously abducted victim speaks out after helping solve the mysterious case.