seven-day hearing, rudolf methodically dissected the original testimony of blood pattern expert, duane deaverur jury not once or twice, but repeatedly. >> reporter: and with the peterson supporters holding their breath, the same judge who'd presided over the murder trial now laid out his thinking point by point, rhetorical questions -- >> is a new trial required for newly discovered evidence, due process violations, and for perjured testimony? the answer to those questions is yes. >> did duane deaver misrepresent himself to the jury? yes. did duane deaver's testimony make a difference in this case? yes. >> it will be the court's order that mr. peterson receive a new trial. >> reporter: and there it was. michael peterson's conviction was tossed out. his family was overwhelmed. >> i was weeping with joy and shock and could not believe that there was hope. >> i was like, "my dad's getting out. we're gonna have our dad back." >> reporter: for the peterson children, now there was only joy. >> lots of hugs. lots of -- happy, happy photographs. so we're all, like, jumping up into the air in a silly