In July 1981, 13-year-old Mary Louise Day vanished from her family’s home in Seaside, California.

No one filed a police report. No missing posters. Not even a phone call to the local station. Her name wasn't even allowed to be mentioned in the household.

For more than two decades, she was missing. And then, in 2003, a woman claiming to be Mary appeared in Arizona.

Was she really the missing girl, or part of an elaborate cover-up?

In this episode of Beach House 34, we untangle one of the strangest true crime cases in American history—a case filled with a missing child, a stepfather, a mother who couldn't or wouldn't keep track of her own children, mysteries things buried in the yard and more.

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