Lori Vallow Daybell, the "doomsday mom" who is on trial for the death of her fourth husband, had a tense exchange with the woman who went on a date with him the night before he was murdered.

Opening statements in Lori Vallow Daybell's trial in Arizona began Monday. She is charged in the death of her fourth husband, Charles Vallow.

Lori Vallow Daybell aggressively cross-examined a woman who went on a date with her husband, Charles Vallow, the night before his death in July 2019.