PROGRESO, Mexico (AP) — Mexico's navy said Wednesday that its personnel had no idea they had killed the leader of the country's most-feared drug cartel until after his body was stolen from a funeral home in this border town. The death of Zetas cartel leader Heriberto Lazcano, alias "El Lazca," in a gunfight with marines Sunday left a wake of fear in the small mining and farming towns that dot the northern plains of Coahuila state. Residents of Progreso said they heard a series of three loud explosions Sunday, apparently from the grenades that Lazcano reportedly fired at marines who...