but it wasn't rick gagnon. with that, the jurors filed out to deliberate. many felt to be at the heart of it all held her breath. >> coming up, the jury renders its verdict. >> i didn't know what to think. i didn't know what to think anymore. >> but this isn't the end of a case, because finally investigators learn who left those mysterious blood drops at the crime scene. >> he said they identified the killer. >> when dateline extra continues. have fun with your replaced windows. run away! [ grunts ] leave him! leave him! [ music continues ] brick and mortar, what?! [ music continues ] [ tires screech ] [ laughs ] [ doorbell rings ] when you bundle home and auto insurance with progressive, you get more than a big discount. that's what you get for bundling home and auto! jamie! you get sneaky-good coverage. thanks. we're gonna live forever! >>> welcome back. the jury was about to decide rick gagnon's fate. but it's not the end to the twisted tale. not by a longshot. could the resolution to this case finally put a bitter family feud to rest. here's dennis murph