Following the death of CJNG leader "El Mencho" in a February 2026 military operation, US authorities have named his stepson, Juan Carlos Valencia González, alias "El 03," as the group's new leader. But El 03 is one of several senior CJNG figures with a claim to power, and the group may avoid naming a single visible boss at all. InSight Crime's Managing Editor Deborah Bonello speaks to Co-director Steven Dudley and Mexico investigators Victoria Dittmar and Parker Asmann about the CJNG's messy succession.