still no prescription needed. >>> michael locascio was charged with the murder. lty. prosecutors were hoping michael would stew unhin his juices. they were hoping he would flip and testify against his brother. that's what locascio's son certainly wanted. we were hoping that michael would say that he himself would confess to committing the murder how ed was connected to it or how a pay yuf was to be made. he never did. >> so the trial was on. michael locascio charged as the lone killer. but the prosecutor made it clear she thought the brothers were in on it together. this defendant decided to end the marriage not by waiting for the judge's ruling but by murdering her. >> reporter: and the facts were bad for him. the white pickup truck leaving the scene was like his white pickup recovered at his home in north carolina. the one with police found the inside ripped out. and the gym bag recovered by the crime scene with the murderer's bloody clothes, a weapon and michael locascio's dna on a latex glove. a familiar argument in criminal trials. the lab work was flawed. th