Utah Woman Convicted of Murdering Husband With Fentanyl-Laced Cocktail

Eric Richins died from fentanyl poisoning administered by his wife in March 2022, leaving two sons without their father.
the sound of a wife becoming a black widow
The prosecutor's characterization of Kouri Richins' 911 call on the night she poisoned her husband.

In the quiet foothills outside Park City, Utah, a marriage became the stage for a calculated betrayal — a wife who poisoned her husband with fentanyl, then published a children's book about grief to obscure what she had done. Kouri Richins, convicted this week by a jury in under three hours, stands as a study in how financial desperation and moral unraveling can coexist with the performance of ordinary life. Eric Richins, a father of two, died in March 2022 not by accident but by design — a reminder that the most intimate bonds can also become the most dangerous. The law has now named what the evidence made plain.

  • A Utah jury needed less than three hours to find Kouri Richins guilty of aggravated murder, a speed that spoke to the weight of evidence stacked against her.
  • Richins had attempted to poison her husband on Valentine's Day with a fentanyl-laced sandwich before succeeding weeks later with a laced cocktail — five times a lethal dose.
  • Hidden life insurance policies, $4.5 million in debt, an ongoing affair, and internet searches for lethal fentanyl doses painted a portrait of premeditation that the defense struggled to dismantle.
  • The defense's central attack — that the prosecution's key witness, an immunized housekeeper, had fabricated her account — was undercut by body camera footage contradicting the defense's own claims about Eric's drug use.
  • After her husband's death, Richins self-published a children's book about a father watching over his son from heaven, which prosecutors reframed as a calculated effort to perform grief and deflect suspicion.
  • She now faces 25 years to life at sentencing on May 13, with 26 additional money-crime charges still awaiting trial in a separate case.

In the spring of 2022, Eric Richins died at his home outside Park City, Utah, from a fentanyl-laced cocktail his wife had prepared — a dose five times what it takes to kill. This week, a jury convicted Kouri Richins of aggravated murder in under three hours, along with charges of forgery, insurance fraud, and attempted murder for an earlier poisoning on Valentine's Day, when a fentanyl-laced sandwich had rendered Eric unconscious but not yet dead.

Prosecutors built their case around a convergence of motive and method. Richins was $4.5 million in debt while her husband's estate exceeded $4 million in value. She had secretly taken out roughly $2 million in life insurance policies on Eric without his knowledge. She was conducting an affair and, according to text messages shown to jurors, dreamed of divorcing Eric, collecting the insurance money, and starting over with another man. Her search history included queries about lethal fentanyl doses, how poisoning appears on death certificates, and luxury prisons for wealthy inmates.

The defense focused its energy on discrediting Carmen Lauber, the family's housekeeper, who testified she had sold Richins fentanyl on multiple occasions. Lauber had received immunity for her cooperation and had initially denied dealing drugs before changing her account. Defense attorney Wendy Lewis argued she had fabricated her story for legal protection. But the defense's parallel claim — that Eric had been addicted to painkillers and had asked his wife to obtain opioids — collapsed against body camera footage from the night of his death, in which Kouri told police her husband had no history of illicit drug use.

What distinguished the case beyond its facts was what Richins did after Eric died. Shortly before her arrest in May 2023, she self-published a children's book — an illustrated story about a father with angel wings watching over his young son. She promoted it on local television and radio. Prosecutors presented it not as an act of grief but as a calculated performance of devoted motherhood, designed to rewrite the story of who she was. Investigators found she had paid a ghostwriting company to produce it. Her mother had even mailed a copy anonymously to the county sheriff's office, with a note calling Kouri a devoted wife and adoring mother.

Richins did not testify and called no witnesses. She faces 25 years to life at sentencing on May 13, and still confronts 26 additional money-crime charges in a separate case yet to go to trial. Eric Richins left behind two sons.

In the spring of 2022, Eric Richins died at his home outside Park City, Utah, from a cocktail laced with fentanyl—five times the lethal dose. His wife, Kouri Richins, a 35-year-old real estate agent, had mixed the poison into his drink. On Monday, a jury took just under three hours to find her guilty of aggravated murder, along with charges of forgery, insurance fraud, and attempted murder for an earlier poisoning attempt on Valentine's Day, when she had served him a fentanyl-laced sandwich that knocked him unconscious.

The case unfolded as a portrait of financial desperation and calculated deception. Prosecutors established that Richins was drowning in debt—$4.5 million of it—while her husband's estate was worth over $4 million. She had opened life insurance policies on Eric without his knowledge, policies that would pay out roughly $2 million upon his death. She was also having an affair with a man named Robert Josh Grossman, and text messages shown to jurors revealed her fantasizing about divorcing Eric, collecting millions, and building a life with Grossman instead. Her internet search history told its own story: queries about lethal fentanyl doses, luxury prisons for wealthy inmates, and how poisoning appears on death certificates.

When Eric died, Kouri called 911. The prosecutor, Brad Bloodworth, played that recording for the jury and told them they were listening to "the sound of a wife becoming a black widow." The evidence of premeditation was stark. She had attempted to poison her husband weeks before she succeeded. She had methodically secured insurance money without his consent. She had positioned herself to inherit his wealth and start over with another man.

The defense strategy centered on attacking the credibility of the prosecution's key witness, Carmen Lauber, the family's housekeeper, who testified that she had sold Richins fentanyl on multiple occasions. Lauber had been granted immunity for her cooperation. Defense attorney Wendy Lewis argued that Lauber had no history as a drug dealer and was motivated to fabricate her story in exchange for legal protection. Lewis pointed out that in early interviews, Lauber had denied ever dealing fentanyl; she only changed her account after investigators told her that Eric had died of a fentanyl overdose. Lauber was already enrolled in a drug court program as an alternative to incarceration on other charges when she became involved in the Richins investigation, and she had violated some conditions of that program.

The defense also claimed that Eric had been addicted to painkillers and had asked his wife to obtain opioids for him. Yet body camera footage from the night of his death showed Kouri telling police that her husband had no history of illicit drug use—a contradiction that undermined the defense narrative.

What made the case even more striking was what Kouri did after Eric's death. Shortly before her arrest in May 2023, she self-published a children's book called "Are You with Me?" It was an illustrated story about a father with angel wings watching over his young son after death—ostensibly written to help her own sons grieve their father's loss. She promoted the book on local television and radio. Prosecutors used it against her, presenting it as evidence of her attempt to construct a false narrative of devoted wifehood and motherhood, to cover her tracks. Investigators discovered that Kouri had paid a ghostwriting company to write the book. Her mother had even sent a copy to the Summit County Sheriff's Office in an anonymous package, with a note describing Kouri as "a devoted wife and adoring mother."

At trial, Richins did not testify. She called no witnesses in her defense. The jury's swift verdict—less than three hours—suggested the evidence had been overwhelming. She now faces a sentence of 25 years to life in prison. Sentencing is scheduled for May 13. Beyond the murder conviction, she is also charged with 26 additional counts related to money crimes in a separate case that has not yet gone to trial.

Prosecutors argued that Richins' internet searches—including queries about lethal fentanyl doses and how poisoning appears on death certificates—demonstrated premeditation.
— Court evidence presented at trial
Defense attorney Wendy Lewis challenged the credibility of the prosecution's star witness, the family housekeeper, arguing she had no history as a drug dealer and was motivated to lie for legal protection.
— Defense strategy at trial
La Conversación del Hearth Otra perspectiva de la historia
Inventor

What made the jury move so quickly? Three hours seems fast for a murder case.

Model

The evidence was layered and consistent. She had tried to poison him once before. She had the motive—massive debt, life insurance policies she'd hidden from him, an affair. Her own search history documented her looking up lethal doses. When you have that kind of paper trail, the story becomes hard to dispute.

Inventor

The book troubles me most. Why publish something like that after killing him?

Model

That's the question that probably sealed it for the jury. It wasn't just that she wrote a grief book. It was the timing, the promotion, the way she was constructing this public image of herself as a grieving mother while the body was still warm. It looked like she was writing her own alibi.

Inventor

What about the housekeeper's testimony? The defense seemed to have real questions about her credibility.

Model

They did, and those questions were legitimate. Lauber changed her story after learning how Eric died. She was already in legal trouble. But the jury apparently decided that even if Lauber wasn't a reliable witness on every detail, the broader pattern of evidence—the insurance, the searches, the earlier poisoning attempt—was enough. You don't need a perfect witness when the defendant's own actions speak so clearly.

Inventor

Did she ever explain why she did it?

Model

She didn't testify. She didn't call any witnesses. She essentially sat silent through the whole trial. That silence, in a case where the evidence was this damaging, probably told the jury everything they needed to know.

Inventor

What happens now?

Model

Sentencing in May. She's facing 25 years to life. And there are 26 more criminal charges waiting in another case—money crimes. This isn't over for her.

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