 | Border Policing Holly M. Karibo is an associate professor of history at Oklahoma State University. She is the author of the award-winning book Sin City North: Sex, Drugs, and Citizenship in the Detroit-Windsor Borderland. George T. Díaz is an associate professor of history at the University of Texas Rio Grande Valley and the author of the award-winning book Border Contraband: A History of Smuggling across the Rio Grande . |
