Why were there so many serial killers in the US in the 1970s and 80s? Why were so many in the Pacific Northwest?

This week, we explore the Lead Crime Hypothesis with Pulitzer Prize-winning author Caroline Fraser. In her new book, Murderland: Crime and Bloodlust in the Time of Serial Killers, she explores the potential link between mid-20th century pollution from leaded gasoline and industrial smelters and the spike in violent crime. We also examine how the reduction of lead in the environment could explain the subsequent drop in crime rates since the 1990s, but how we still face a threat today. We discuss how lead pollution became such a problem, its known impacts on human behavior, and why our understanding of pollution can challenge some conventional crime reduction strategies and beliefs.

Caroline grew up outside of Seattle in the 1970s, while Ted Bundy and other murderers were in the area. We talk about her personal history with the area and how it's driven her work on the topic. 

Caroline Fraser is the author of Prairie Fires: The American Dreams of Laura Ingalls Wilder, which won the Pulitzer Prize as well as the National Book Critics Circle Award, the Heartland Prize, and the Plutarch Award for Best Biography of the Year. She is also the author of God’s Perfect Child: Living and Dying in the Christian Science Church, and her writing has appeared in the New York Review of Books, The New Yorker, The Atlantic, the Los Angeles Times, and the London Review of Books, among other publications.

Check out Murderland: Crime and Bloodlust in the Time of Serial Killers

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