Detailed text transcripts for TV channel - MSNBC - 20110408:16:41:00
Infiltrate u.s. law enforcement. >> reporter: at a u.s. senate hearing, it was revealed during a hiring push that began five years go to add thousands of border patrol and cbp officers to the mexican border, 10% were given polygraph tests. of those, 60% failed. >> a very large percentage of those who they don't test run into trouble, run into problems within a year or two of being hired. >> reporter: along the border, the federal authorities aren't the only ones facing corruption sheriffs and police officers have also succumb to the lure of drug money. in south texas, former sheriff conraudo c...