UPDATE: Suspect Not Connected with Slaying of 9 in Mexico

The suspect was found in the town of Agua Prieta

MEXICO CITY–Criminal investigators in northern Mexico say a suspect had been arrested and was under investigation for possible connections with the deaths of nine U.S. citizens-three women and six children-slaughtered Monday when cartel gunmen ambushed their vehicles. But it has been determined that the suspect is not tied to the ambush. In a statement posted on Facebook, the Agency for…