p>> reporter: in an exclusive retrial interview with "20/20" pthis past december dalia pdippolito said she's pmisunderstood. p>> who is dalia dippolito? pcompassionate. p>> because of that -- p>> reporter: at the time her pnewly hired high-powered pattorneys wouldn't let her talk pabout certain parts of the case, articularly those seemingly pdamning videotapes, because pshe's now facing a new trial pafter her first conviction was poverturned on a technicality. pbut yesterday there was no pavoiding them. pshe's forced to watch that pmoment we've all seen again and pagain. p>> 5,000 percent sure. p>> that's all mohammad told you pto say, right? p>> yes, he told me to say that. p>> 5,000% sure? p>> i needed to project pconfidence. pand yeah. pbut that's what he told me, to pmake it look believable. p>> reporter: perhaps the most psurreal moment in the courtroom, pwhen the prosecutor plays an paudiotape of her trying to pexplain to her then-husband mike pthat she actually didn't pay to phave him killed. p>> please, i need an attorney, pcan you help me? pit's not true. p>> you said you want