The mayor of Ciudad Juárez has accused federal police of killing one of his bodyguards in an incident that underlines the growing tension between the different authorities in Mexico's drug prohibition war capital. "My bodyguard, accompanied by another, identified himself, raised his hands and was shot in the head," Héctor Murguía Lardizábal told reporters. "That's a murder." The mayor said that when he went to the federal police base in a nearby hotel to demand an explanation, he received a volley of insults an had a gun pointed at him.