Kouri Richins, the Utah mother who made headlines for publishing a children's book about grief after her husband's death, was sentenced just last week to life in prison without parole for his murder. Prosecutors argued she poisoned her husband, Eric Richins, in a case that drew national attention. Now, jurors who heard the evidence are speaking out about what led them to convict her, including what they believe motivated the crime and why they reached their verdict. 48 HOURS correspondent Natalie Morales reports in the season finale, "Kouri Richins: Behind the Facade."