Mexico killed “El Mencho.” Here’s how and what we know about U.S. role in the operation

Mexican security forces killed Nemesio Rubén Oseguera Cervantes, the country’s most-wanted drug lord, following information from the U.S. that assisted in Sunday’s operation, the Trump administration and Mexico’s defense ministry said.Why it matters: President Trump has for months pressed Mexican officials to target drug cartels and the U.S…  » …