Investigators revealed she had secretly taken out multiple life‑insurance policies on her husband
A mother who wrote a children’s book about helping youngsters cope with grief after her husband’s death has been jailed for life — after it emerged she murdered him herself.
Kouri Richins, 26, poisoned her husband Eric, 39, with a fentanyl‑laced drink at their home near Park City, Utah, in March 2022. The real‑estate agent was convicted in March of aggravated murder, attempted aggravated murder, fraud and forgery.
Prosecutors said she was driven by mounting debts from her house‑flipping business, which was millions of dollars in the red, and by plans to start a new life with another man.
Investigators revealed she had secretly taken out multiple life‑insurance policies on her husband and wrongly believed she would inherit his $4 million estate. Jurors also heard she had tried to kill him weeks earlier, on Valentine’s Day, by giving him a sandwich laced with fentanyl.
On Wednesday (May 13), her deceased husband’s birthday, Richins was sentenced at the Summit County Courthouse to life in prison.
She had laced Mr Richins’ drink with five times the lethal dose of fentanyl, leading to her arrest in May 2023 while promoting her children’s book “Are You with Me?” about a boy coping with the death of his father.
Mr Richins’ family tearfully remembered him as a skilled outdoorsman, hardworking businessman and loving dad to his three sons during the emotional trial.
“Eric was their coach, their father, but most important, was their very, very best friend,” his father Eugene Richins told jurors.
A jury was shown text messages between Richins and her lover in which she fantasised about leaving her husband and gaining millions in a divorce. Prosecutors also presented internet search history from her phone, including queries about the lethal dose of fentanyl, luxury prisons and how poisoning is recorded on a death certificate.
‘I think my wife tried to poison me’
The court heard that Richins had first attempted to kill her husband weeks earlier, on Valentine’s Day, by giving him a sandwich laced with fentanyl.
Mr Richins suffered hives and briefly lost consciousness after taking a single bite of the sandwich, which his wife had left for him on the front seat of his truck on February 14, 2022.
Prosecutors said she had bought the sandwich from a local diner in Kamas at the same time she acquired several dozen fentanyl pills. A housekeeper later told investigators she had sold Richins the pills in the days leading up to Valentine’s Day, and that Richins subsequently complained they were “not strong enough” and asked her to obtain a more potent batch.
Two of Mr Richins friends recalled phone conversations from the day in a witness statement. After injecting himself with his son’s EpiPen and chugging a bottle of Benadryl, he woke from a deep sleep and told a friend: “I think my wife tried to poison me.”
The trial was set to last five weeks, but ended early after she waived her right to testify. Richins’ legal team rested its case without calling any witnesses, with her lawyers saying they were confident prosecutors had not produced sufficient evidence to convict her of murder.
Still, an eight-person jury found her guilty on all counts after deliberating for just under three hours on March 16.
Eric Richins’ sister Amy said she was “just very happy that we got justice for my brother” after the conviction, adding that she could now focus on supporting his sons.
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‘I would never ever leave you,’ Richins tells sons
Speaking publicly for the first time at her sentencing hearing, Richins said she wanted to convey a message to her sons, with whom she has not been able to speak since early 2024, after custody was transferred to her husband’s family.
“The one thing I need you boys to know is that I did not abandon you,” she said. “Regardless of what anyone tells you, I would never ever leave you, boys. And I am so sorry that even for one second you think that I did.”
In a court filing this week, the Summit County Attorney’s Office invoked the Richins’ three sons as they urged Judge Richard Mrazik to sentence Richins to life without parole.
“The boys deserve finality and should not have to revisit their father’s murder at future hearings or worry about the Defendant’s potential parole,” prosecutors wrote in the sentencing memorandum. “Given the tremendous trauma and upheaval that the Defendant inflicted upon their childhood, this Court should ensure that she does not harm their adulthood.”
The couple’s eldest son – now aged 13 – said he misses his dad but not his mum. “I’m afraid if she gets out, she will come after me and my brothers, my whole family,” the boy said, according to the filing. “I think she would come and take us and not do good things to us, like hurt us.”

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