WASHINGTON – A high-powered rifle lost in the ATF’s Fast and Furious controversy was used to kill a Mexican police chief in the state of Jalisco earlier this year, according to internal Justice Department records, suggesting that weapons from the failed gun-tracking operation have now made it into the hands of violent drug cartels deep inside Mexico. Luis Lucio Rosales Astorga, the police chief in the city of Hostotipaquillo, was shot to death Jan. 29 when gunmen intercepted his patrol car and opened fire. Also killed was one of his bodyguards. His wife and a second bodyguard were wounded. Local...