On April 27, Mexican security forces mounted an operation in the Pacific coast state of Nayarit and captured Audias Flores Silva, alias “El Jardinero,” a top regional commander of the Jalisco Cartel New Generation. It was just the latest offensive against Mexico’s top crime groups. One week earlier, security forces went after Aureliano Guzmán Loera, an influential Sinaloa Cartel player known as “E...