. >> daybell is accused of murdering his first wife, tammy daybell, in 2019.s also charged in the deaths of 16 year old tylee ryan and seven year old jj vallow, the children of lori vallow, whom he married less than three weeks after his first wife's death. daybell wrote several books about doomsday events. he met vallow at a religious conference in 2018. prosecutors say the two began sharing apocalyptic beliefs and labeled anyone who stood in their way as dark spirits or zombies. >> this narrative gave them the pretext to remove people from this world for their own good. >> when vallow's children were reported missing in 2019, chad and lori were found in hawaii, appearing to enjoy themselves. daybell has pleaded not guilty. his attorney insists there is no way to determine how tammy daybell died, and claims lori vallow manipulated chad into having an extramarital affair. >> lori vallow comes up and she starts getting a lot of tension, and she pursued him and she encouraged him. >> and the defense argues it was lori vallow's brother, alex cox, who killed the t