Mexican authorities have deployed thousands of additional troops across the country after a surge of violence followed the death of cartel leader Nemesio Oseguera Cervantes, widely known as “El Mencho.” Security officials said the unrest spread to at least 20 states after the head of the Jalisco New Generation Cartel (CJNG) died Sunday while in military custody. According to Defence Secretary Ricardo Trevilla, at least 2,500 extra soldiers were rushed to western Mexico, with reports indicating overall deployments may have exceeded 10,000 personnel nationwide. Authorities said Oseguera Cervantes was captured by Mexican special forces in Jalisco state after intelligence led…