Officer shooting showcases threat of Mexican drug cartels in Houston

HOUSTON -- The shooting of a Houston Police Department narcotics officer during a massive law-enforcement sweep of members of Mexican drug cartels thought to be tied to the shooting of federal immigration agents has showcased the threat cartels pose. In a rare interview, Joe Pistone, the famed FBI special agent who infiltrated the Mafia as "Donnie Brasco," told 11 News there were parallels ...