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Pulitzer Prize winning writer Caroline Fraser grew up near Seattle in the 1970s in the shadow of Ted Bundy - the most notorious serial murderer of women in American history.
But he wasn't the only one in the Pacific Northwest.
There was the Green River Killer, the I-5 Killer, the Night Stalker, the Hillside Strangler and Charles Manson.
In her new book, Murderland, Caroline Fraser considers whether the region's industrial pollution played a part in creating some of America's most infamous murderers.