Mexican drug cartel boss ‘El Mencho’ tracked through romantic partner

Killing of Jalisco New Generation Cartel leader sparks wave of violence across western Mexico

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• Who was El Mencho?

Mexican authorities tracked down and killed El Mencho", one of the world's most wanted drug traffickers, by following a romantic partner to his safe house near a picturesque mountain town, the country's defence secretary has revealed.

In a press conference, officials provided the first details about the operation that led to the death of the leader of Mexico's most powerful organised crime group, the Jalisco New Generation Cartel (CJNG).