‘El Mencho’: From California drug dealer to cartel kingpin
Long before he had a $15-million bounty on his head as the leader of Mexico’s ruthless Jalisco New Generation cartel, Nemesio Rubén Oseguera Cervantes was a scruffy-haired kid trying to eke out a living on the streets of San Francisco. He crossed the border illegally sometime before he turned 20, making the migrant’s journey north…