Mexico Defense Secretary Gen. Luis Cresencio Sandoval, left, with President Andres Manuel Lopez Obrador, says seizures of fentanyl soared 525% in the first three years of the current administration, which took office Dec. 1, 2018, compared to the previous three years. MARCO UGARTE/AP FILE
MEXICO CITY – Mexican drug cartels are turning to bigger, more productive labs to churn out increasing quantities of synthetic drugs such as meth and…
