Book of Lies

Dateline NBC

  • Apr 28, 2026
  • 1:22:17
  • Full Episode
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Andrea Canning reports on the case of Utah mother Kouri Richins, who wrote a children’s book about grief following her husband’s death and recently went on trial for his murder.

Blayne Alexander and Andrea Canning go behind the scenes of the making of this episode in 'Talking Dateline'

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Brief Summary

Corey Richens is convicted of murdering her husband Eric, who died from a fentanyl overdose, amid financial troubles and a suspicious marriage.

Key points

  • Toxicology Results. The toxicology report reveals Eric had a lethal amount of fentanyl in his system, shocking everyone.
  • Family Secrets Unraveled. Corey discovers Eric's secret trust that leaves her with nothing, igniting family tensions.
  • Corey's Children's Book. Corey Richens channels her grief into a self-published children's book, 'Are You With Me?'.
  • Financial Troubles. Investigators uncover Corey's financial mismanagement and lawsuits against Eric's family.
  • The Secret Lover. Detectives discover Corey had a secret lover, raising more questions about her motives.
  • Suspicion Arises. Eric's family begins to suspect Corey of foul play after his death.

Episode highlights

Tension

85/ 100High tension

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