In 1947, a 22-year-old woman was found murdered in a vacant lot in Los Angeles. Her story became highly publicized due to the graphic nature of the crime, which included her body being mutilated and bisected at the waist. She was given the nickname “The Black Dahlia,” and her mysterious death has become the most well-known unsolved murder in American history.

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So who was “The Black Dahlia”?

Los Angeles historian and tour guide, Kim Cooper, reveals the real identity of the young woman and tells her story in the video above.

WATCH: How A Man Discovered That His Father May Have Murdered ‘The Black Dahlia’

On Wednesday’s episode of Dr. Phil, hear from retired homicide detective Steve Hodel and why he says he believes his father, George Hodel, murdered “The Black Dahlia.” And, hear from George Hodel’s great-granddaughters whose top-ranked podcast, “Root of Evil: The True Story of the Hodel Family and the Black Dahlia,” is gripping the nation with never-before-heard archival audio of disturbing family secrets. Check here to see where you can watch.

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What Recordings Reveal About Possible Murderer Of 'The Black Dahlia'