PULSE NEWS MEXICO General José Silvestre Urzúa, chief coordinator of the National Guard (GN) in the northern Mexican state of Zacatecas, was shot to death on Thursday, Nov. 24, during a confrontation with alleged criminal gangs in the municipality of Pinos, near the Zacatecas border with the state of San Luis Potosí. Silvestre Urzúa and his men were attacked by