Witnesses: Jury Wrongly Convicted Peterson REDWOOD CITY, Calif. — In tearful testimony, Scott Peterson's (search) family and friends pleaded with jurors to spare his life, contending that he was mistakenly convicted of killing his pregnant wife, Laci.Defense witnesses have already testified that Peterson sang to seniors on Sundays, distributed food and clothes in Tijuana and that he was a good friend and loving son.On the fifth day of the trial's penalty phase, Peterson's relatives questioned the jury's verdict."I don't believe he's guilty," said his uncle, John Lathamke to see him die. It would tear our family apart."But jurors showed no expression, some...