Utah woman convicted of murdering husband with fentanyl after publishing grief book

Eric Richins was poisoned and killed by his wife in March 2022; their two sons lost their father and are now without both parents as their mother faces life imprisonment.
the sound of a wife becoming a black widow
The prosecutor's characterization of Kouri Richins' 911 call on the night her husband died.

In the quiet hills outside Park City, Utah, a story of grief was carefully constructed — a children's book, a grieving widow, a father turned angel — but beneath it lay a calculated act of betrayal. In March 2022, Kouri Richins poisoned her husband Eric with a lethal dose of fentanyl, and on Monday a jury needed less than three hours to see through four years of performance. The case reminds us that the most dangerous deceptions are those wrapped in the language of love, and that the weight of financial desperation can corrupt even the most intimate of human bonds.

  • A woman who published a children's book about grief had, prosecutors argued, engineered the very death she was publicly mourning — slipping five times a lethal fentanyl dose into her husband's drink.
  • The financial pressure was staggering: $4.5 million in debt, $2 million in secretly opened life insurance policies, and a parallel life being planned with another man.
  • The defense fought hard to discredit the key witness — a housekeeper granted immunity whose story had shifted — but the defendant's own phone searches, body camera footage, and a Valentine's Day poisoning attempt formed a wall of evidence.
  • Jurors deliberated for under three hours before convicting Richins on all counts, including aggravated murder, attempted murder, forgery, and insurance fraud.
  • Two sons have now lost both parents — their father to poison, their mother to a prison sentence of 25 years to life — with sentencing set for May 13 and 26 additional financial charges still pending trial.

In the spring of 2022, Eric Richins died at his home outside Park City, Utah. His wife Kouri mourned publicly, and months later published a children's book about loss — an illustrated story of a father watching over his son from heaven. She promoted it on local radio. She appeared to be a devoted mother helping her boys make sense of death.

On Monday, a jury took less than three hours to decide she had murdered him. Prosecutors showed that Richins had slipped fentanyl into her husband's cocktail — five times the lethal dose — and that weeks earlier, on Valentine's Day, she had attempted to poison him with a fentanyl-laced sandwich that left him unconscious. When the verdicts were read, she stared at the floor.

The case was built on motive and method. Richins was drowning in $4.5 million of debt, had secretly opened $2 million in life insurance policies on her husband, and was conducting an affair with another man. Text messages showed her fantasizing about divorce and a new life. Her phone's search history included queries about lethal fentanyl doses, luxury prisons, and what poisoning would show up as on a death certificate.

The prosecution's central witness was a housekeeper who claimed she had sold Richins fentanyl on multiple occasions. The defense attacked her credibility — she had initially denied dealing fentanyl and only changed her account after learning Eric had died of an overdose — but body camera footage from the night of his death showed Kouri telling police her husband had no history of illicit drug use, directly undermining her own lawyers' narrative.

The children's book, published just before her arrest in 2023, was entered into evidence as proof of premeditation. Investigators found it had been ghostwritten. Richins did not testify, called no witnesses, and offered no explanation for the insurance policies, the affair, the search history, or the poisoning attempt. She was convicted of aggravated murder, attempted murder, forgery, and insurance fraud. She faces 25 years to life at sentencing on May 13, with 26 additional financial charges still awaiting a separate trial. Her two sons have lost their father to poison and their mother to prison.

In the spring of 2022, Eric Richins died at his home outside Park City, Utah. His wife Kouri said it was an overdose. She grieved publicly. She wrote a children's book about loss—a illustrated story with a father transformed into an angel, watching over his son from heaven. She promoted it on local radio. She seemed like a devoted mother trying to help her boys understand death.

But on Monday, a jury in Park City took less than three hours to conclude that Kouri Richins, 35, had murdered her husband. She had slipped fentanyl into his cocktail—five times the lethal dose—and watched him die. She had also tried to poison him weeks earlier on Valentine's Day with a fentanyl-laced sandwich that knocked him unconscious. When the guilty verdicts were read, she stared at the floor and breathed deeply.

The case against her was built on motive and method. Prosecutors painted a portrait of a woman drowning in debt—$4.5 million of it—who had secretly opened life insurance policies on her husband totaling roughly $2 million in benefits. She believed she would inherit his estate, worth over $4 million. She was also having an affair with another man, Robert Josh Grossman, and text messages showed her fantasizing about leaving her husband, divorcing him for millions, and building a life with Grossman instead. Her phone's search history told its own story: queries about lethal fentanyl doses, luxury prisons for wealthy inmates, and what poisoning would show up as on a death certificate.

The prosecution's case hinged on a housekeeper named Carmen Lauber, who claimed she had sold Richins fentanyl on multiple occasions. Lauber had been granted immunity for her cooperation. The defense attacked her credibility fiercely, noting that in early interviews she had denied dealing fentanyl at all—only changing her story after investigators told her that Eric Richins had died of a fentanyl overdose. Lauber was already enrolled in drug court as an alternative to incarceration on other charges and had violated some of its conditions. The defense argued she had every reason to lie for legal protection.

Richins' lawyers claimed Eric had been addicted to painkillers and had asked his wife to obtain opioids for him. But body camera footage from the night of his death captured Kouri telling police that her husband had no history of illicit drug use—a statement that contradicted the defense narrative. When prosecutor Brad Bloodworth played the 911 call Richins had made that night to the jury, he told them they had just heard "the sound of a wife becoming a black widow."

The children's book became evidence against her. Published just before her arrest in May 2023, "Are You with Me?" was presented by prosecutors as proof of premeditation and cover-up. Investigators discovered that Richins had paid a ghostwriting company to write it. Her own mother had sent a copy to the Summit County Sheriff's Office in an anonymous package, including a note describing the book as a window into the "true Kouri, a devoted wife and adoring mother." The irony was not lost on the courtroom.

Richins did not testify in her own defense. She called no witnesses. She offered no alternative explanation for the fentanyl in her husband's system, the insurance policies, the affair, the search history, or the poisoning attempt on Valentine's Day. The jury convicted her of aggravated murder, forgery, fraudulently claiming insurance benefits, and attempted murder. She faces 25 years to life in prison. Sentencing is scheduled for May 13. She also faces 26 additional criminal counts related to money crimes in a separate case that has not yet gone to trial.

They had just heard the sound of a wife becoming a black widow
— Prosecutor Brad Bloodworth, describing Richins' 911 call
The Hearth Conversation Another angle on the story
Inventor

How does someone move from writing a grief book to being convicted of the murder that book was supposedly about?

Model

The book was the cover. It was published just before her arrest, positioned as a mother's way of helping her sons process loss. But it also served as a kind of alibi—proof of her devotion, her pain. Prosecutors saw it differently: as evidence she had planned the killing and was now managing the narrative around it.

Inventor

The housekeeper's testimony seems fragile. She changed her story after learning how Eric died. Why would a jury trust that?

Model

Because everything else pointed the same direction. The insurance policies she'd opened without his knowledge. The $4.5 million in debt. The affair. The search history about lethal doses. The Valentine's Day poisoning attempt that didn't work. One weak witness becomes credible when it's surrounded by that much corroborating detail.

Inventor

Did she ever explain the fentanyl?

Model

No. She didn't testify. She offered no witnesses. She just sat there while the evidence accumulated. Sometimes silence reads louder than any defense could.

Inventor

What happens to the children now?

Model

That's the part the verdict doesn't answer. They lost their father to poison. Now they've lost their mother to prison. The book she wrote to help them understand death has become evidence of her guilt.

Contact Us FAQ