if she had just apologized and said publicly, or the white house put out a statement saying we regret what she said she is a mid level staffer, and we support her but what she said was wrong. no one would be talking about this. i think what michelle obama said, the presidency does not shape your character, it reveals it. president trump s character was revealed in the campaign. he is a person no matter what the offense, no matter how horrible conduct he or his staff in this case commits, will not apologize. and yet is rewarded with 80% support of white christian ev evan gel cals. if people wanted to hold this man accountable, they would. i m interested in how my fellow americans respond to this because it is irresponsible. that is twice that you brought up white by the way, is that a racist point? it is important, because people say evangelicals support trump.
at the end of this case you are going to hold that man accountable for exactly what he did. reporter: the very first witness matt murphy put on the stand was cathy s mom, mary. it seemed a safe way to start. there is a cardinal rule that you don t ever do a hard cross-examination on a mother. reporter: but matt s mentor broke that rule. he really pressed her on some of the details. and scored some points. scored big points. i mean, scored big-time points. reporter: mary initially told the jury sam only responded to one of her pages, but under cross-examination mary revealed he d actually returned three pages. they were trying to paint a picture of sam that he did absolutely nothing, and that is not true. it s one of the only cases i ve done in my career where i realized, he understands this case as well as i do. reporter: it was mentor against pupil, and the stakes couldn t be higher.
that sam had a new defense attorney. someone matt knew very well. he so is good. and i would be lying if i said my heart was not in my throat. reporter: sam s defense attorney lew rosenblum was the former assistant d.a. who supervised the homicide unit. in fact, he was the original prosecutor who back in 1994 didn t think there was enough evidence to charge sam. not only that, lew was the man who brought matt into the homicide unit. lew took me under his wing and trained me how to do homicides. what s it like to go up against your mentor? well, it s terrifying to go up against your mentor. reporter: neither one of them had ever lost a murder case. but someone s winning streak was about to end. february 10th, 2015. 20 years after cathy torrez s murder, sam lopez went on trial. at the end of this case you are going to hold that man
are going to hold that man accountable for exactly what he did. the very first witness matt murphy put on the stand was cathy s mom mary. it seemed a safe way to start. there s a cardinal rule, you don t do a hard cross-examination on a mother. but matt s mentor broke that rule. he really pressed her on some of the details and scored some points. scored big points. i mean, scored big-time points. mary initially told the jury sam only responded to one of her pages. but under cross-examination mary revealed he had actually returned three pages. they were tryg to paint picture of sam that he did absolutely nothing and that is not true. it s one of the only cases i ve done in my career where i realized he understands this case as well as i do. it was mentor against pupil. and the stakes couldn t be higher. coming up it s as cold blooded as you
angry words, scuffles, emotions boiled over. a string of arrests. while that got out of hand, a more focused message around the country. we re marching to demand that donald trump release his tax returns. reporter: organized protests, promoted as tax marches brought people together. somebody has got to start to hold this man accountable. reporter: armed with signs and celebrity sightings. actress debra messings in new york. we want to show his tax returns. why? we want to see what they show. it was the resistance that did that. when we fight, we can win. in president trump s florida backyard, west palm beach. every other president has shown their tax returns and i think there is something in there he wants to hide. in washington d.c. marchers went past monuments and demanded president trump compile with the decade s old tradition of disclosure.