In 2012, Peter, Lynettee and Kaylene Keller seemed like an ideal family to everyone who knew them. Little did they know, an unthinkable betrayal had been brewing for years, and the killer captured the entire plan on camera.\xa0\n\nThis episode is sponsored by Book of the Month! Go to bookofthemonth.com and enter code FORYOU to get your first book for just $5! \nLearn more about your ad choices. Visit megaphone.fm/adchoices