José Manuel Valenzuela Arce Professor emeritus researcher at El Colegio de la Frontera Norte and emeritus researcher of the National System of Researchers (sni) of Conahcyt. He holds a PhD in Social Sciences with a major in Sociology from El Colegio de México and a Ph. honoris causa by the Autonomous University of Baja California. His works have been pioneering and of great importance for the understanding of the socio-cultural processes that define the U.S.-Mexico border, Latin American cultural studies, popular cultures and youth movements in Latin America and the United States. His most recent books are: The dance of the extinct. Juvenicide, violence and hitman powers in Latin America.. Mexico: udg/colef, 2022; y Cuchumá. The sacred mountain of Tecate. Mexico: Gedisa/colef, 2022. She is currently on a sabbatical research stay at the Universidad Autónoma de Baja California, Instituto de Investigaciones Culturales-Museo.