A controversial 2001 academic paper suggested that there’s a connection between Roe v. Wade’s legalization of abortion in 1973 and the reduction in crime that followed a generation later in the 1990s. With crime again rising in a post-Roe America, Mark and Joe discuss the Donohue-Levitt hypothesis, the many alternative explanations offered since its publication, and whether it’s even possible to know the truth of the matter. (Recorded July 22, 2022.)