Mexican officials embroiled in increasingly violent clashes with drug dealers . They steal some drugs from stores along the border , congresswoman says . House hearing focuses on security on the border , and spread of drugs . And last month , the city 's chief of police was obliged to quit after threats from organized crime to kill a policeman every day that he remained on the job . President Obama says he would consider sending in National Guard , but not right now .
Mexican officials embroiled in increasingly violent clashes with drug dealers . They steal some drugs from stores along the border , congresswoman says . House hearing focuses on security on the border , and spread of drugs . President Obama says he would consider sending in National Guard , but not right now .