Lori Vallow's Trial Begins with Shocking Revelations and Testimonies.

The trial of Lori Vallow Daybell, charged with conspiracy, murder, and grand theft in the deaths of her two children, JJ and Tylee, as well as her new husband's first wife, Tammy Daybell, began on Monday. Prosecutors allege that Vallow Daybell used money, power, and sex to get what she wanted, and that her children and Tammy Daybell were in the way. Vallow Daybell's defense argued that the prosecution must establish beyond a reasonable doubt what happened to JJ, Tylee, and Tammy Daybell, and what Vallow Daybell's alleged involvement is.