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The Wonderland murders, also known as the Four on the Floor Murders or the Laurel Canyon Murders, are four unsolved murders that occurred in Los Angeles on July 1, 1981. It is assumed that five people were targeted to be killed in the known drug house of the Wonderland Gang, three of whom—Ron Launius, William "Billy" Deverell and Joy Miller—and the girlfriend of an accomplice, Barbara Richardson, died from extensive…

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