"Federal agents have the right to lie to you-and to put you in prison if you lie to them. Any citizen who makes even a single-word false utterance (”no,” “yes”) to a federal agent faces up to five years in prison and a $250,000 fine." : http://jimbovard.com/blog/2010/08/18/the-crime-of-lying-to-t...
They try to make witnesses contradict themselves, so that they can invoke this law and scare them into testifying what they need to hear.
"Federal agents have the right to lie to you-and to put you in prison if you lie to them. Any citizen who makes even a single-word false utterance (”no,” “yes”) to a federal agent faces up to five years in prison and a $250,000 fine." : http://jimbovard.com/blog/2010/08/18/the-crime-of-lying-to-t...
They try to make witnesses contradict themselves, so that they can invoke this law and scare them into testifying what they need to hear.