Tijuana police said Saturday they had found a man's severed head bound in duct tape

Tijuana police said Saturday they had found a man's severed head bound in duct tape beside a sign threatening members of a gang he allegedly belonged to. Three other bodies, all with bullet wounds, were also found on Friday in Tijuana.
In the nearby city of Tecate, an investigative police officer was found shot to death, and the body on another man — apparently an assailant killed while attacking the officer — was found nearby.Also Saturday, Mexico's Defense Department reported that a regional military commander, Gen. Jorge Cardenas Canton, had committed suicide after suffering a sudden depression.Cardenas Canton commanded army troops in Mexico's Yucatan Peninsula. Like all Mexican military officers, part of his duties included combating drug trafficking