Dramatic testimony at John Edwards trial

>>> it was a dramatic day at the criminal trial of former democratic senator and former presidential candidate john edwards as his lawyers ripped into the prosecution's star witness. our report from greensboro, north carolina , from lisa myers .

>> john edwards arrived for the fifth day of his trial looking calm and composed.

>> good morning.

>> but inside, the most dramatic testimony yet. as edwards ' lawyer, abbey lowell , asked to shred the credibility of the star witness. they battled of his last meeting with edwards on a country road in august 2008 when edwards denied knowing about hundreds of thousands of dollars young had collected from harris rachel bunny mallon, he said to cover up the affair. i was scared for my life, young said. you thought mr. edwards was going to physically harm you? lowell asked. not mr. edwards personally. you thought he was going to have someone there to shoot you? that did cross my mind, yes, sir. young also testified he was extremely angry because edwards had broken his promise to tell the truth, that he was the father of the daughter of his mistress, rielle hunter.

>> andrew young in his testimony today showed some passion and fire about how badly he was hurt and betrayed by senator john edwards .

>>> in what experts say was a blow to the prosecution, young admitted he pocketed about 80% of the money the government claims were illegal campaign contributions to edwards to cover up his affair, a charge edwards denied. much of the money went towards his $1.5 million house for young . about $1 million, that's the money you kept, lowell asked? that's the money that was left over after paying rielle hunter's expenses, young shot back.

>> the theory of the case is in serious jeopardy.

>> lowell closed by asking young if he was a cold blooded schemer motevaded by ego and greed or the desire for power. young , looking lowell in the eye, said he was not. lisa myers , nbc news, greensboro, north care.