Page 10 - Son Aaron News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Way about keith too. >> it seemed like he was fabricating everything that came out of his mouth. >> reporter: but there was a split in the family. despite doubts of his own, her husband, aaron, the one closest to his father, was still a supporter. >> whatever issues my mom and dad would've had, i just could not believe that my dad would take my kids away from their nana. >> reporter: then, a few months before keith's retrial, detective carter's phone rang. there was news from the jail. an inmate had some information about keith. and it was as eerie was it was chilling. the detective in the bul...

>> reporter: aaron took after his dad, athletic, easy going, level-headed. younger brother zach was more of a firecracker like his mom. there was the time, for instance, in the sixth grade, zach grabbed a shovel and started digging a hole for a koi pond in the backyard. >> my parents come home. they're, like, "what are you doing?" i'm, like, "we're gonna have a pond." >> reporter: were they okay with it? >> yeah, they were fine. and they were kind of, like, "well, this is gonna be a nightmare." >> reporter: when aaron and zach flew the nest, the griffith's lives seemed to get only busier. they...

>> reporter: what would rise from those ashes was far more than a fire marshal's investigation into cause. there would be a probe into the deepest roots of a treachery beyond most people's comprehension. >> it's not true. no way. >> reporter: what had they all missed? >> a monster. a liar. a cheater. >> he's destroyed my entire family. >> reporter: before it became charred rubble, the house was home to a longtime paducah couple, keith and julie griffith. church going, golf playing high-school sweethearts 36-years into a marriage that had produced two sons. aaron the older. >> they were very su...

>> reporter: wow. that does make the hair on your neck stand up? >> it does. >> reporter: that wouldn't look good to a jury. the development brought aaron to a tipping point. were you no longer wavering at this point, aaron? had you come down on the side of, "oh, my god?" >> yeah. >> reporter: "my father killed my mother?" >> yeah. >> reporter: now, aaron, too, wrote his dad a letter. if he was guilty -- >> it's time. it's time to man up and -- and do what you should've done two years ago. >> reporter: keith's defense attorneys went to the prosecutors to hammer out a plea deal. they agreed on ...

>> reporter: daughter-in-law, ali. >> i couldn't imagine anyone that would ever want to hurt her, much less set the house on fire, the dogs perished, i -- i had no idea what could have happened. >> no enemies. i mean, it made no sense. it -- just who would wanna kill her? >> reporter: after keith was released the night of his interview with detectives, he headed straight to his friends, the bradleys. they were floored to hear the line of questioning that he recounted. what was up with his marriage, his alibi, the gun he owned? >> he had been questioned to the point that he almost felt like tha...