john lewin: no, he did not.rcus did show up for trial, but he was, to say the least, a reluctant witness: marcus singleton: in the beginning, when i first came to speak to mr. lewin, i had defended andre on my family's side. and i didn't wanna believe that he did it... then i found out that i'm probably gonna have to accept the truth. a truth that i don't really wanna have to accept even today, to be honest. josh mankiewicz: marcus told the jury his harrowing story of the fight he'd witnessed between his mom and his stepdad six weeks before her murder. marcus singleton: they were frantic and my mom was-- like, she was distraught-- i guess is the best word. like, she was just, like-- she was screaming. you know, she was, "call the police. call the police." josh mankiewicz: compelling... damning. but it turned out... the defense had a star witness too. josh mankiewicz: did you think andre was gonna take the stand? john lewin: no, i was-- i-- i was very surprised-- i would say shocked... josh mankiewicz: andre's de