Kouri Richins Wrote a Grief Book. Prosecutors Say She Tried to Smear the Lead Detective From Jail

Credit: KSL News Utah/YouTube

Kouri Richins sold the country one story before trial.

She was the grieving widow. The mother of three boys. The woman who had written a children’s book to help kids understand that a dead father could still be near them. The language was soft. The imagery was gentle. The book promised presence after death.

Then a jury convicted her of murdering Eric Richins with a fentanyl-laced cocktail, after prosecutors said she had already tried to poison him once with a fentanyl-laced sandwich. On Wednesday, a judge sentenced her to life in prison without parole.

Now the sentencing memo is pulling the story in a darker direction.

Prosecutors did not just argue that Richins killed her husband for money. They argued that after her arrest, she kept going after people involved in the case. The book sold grief. The memo described retaliation.

Credit: Kouri Richins/Facebook

The Detective Became a Target

According to prosecutors, Richins caused family members to post a fake “gay dating profile” of the lead detective online while she was detained before trial.

Think about that. The person prosecutors say helped build the murder case against her did not just face courtroom attacks or cross-examination. They say he became the target of a personal online smear designed to humiliate him outside the case, not to challenge his evidence or undermine his credibility on the stand, but to damage him as a person. Prosecutors framed it as another attempt to control the story and discredit anyone who threatened it.

The same memo said Richins caused family members to file unfounded bar complaints against the Summit County attorney and chief prosecutor. She also made an unfounded complaint to the FBI about Eric’s business partner.

Their point was that Richins did not stop trying to manage the situation once she was behind bars. Through others, prosecutors said, she kept reaching toward the people closest to the case and the boys.

Credit: Summit County Sheriff’s Office

Eric’s Family Was Still in the Blast Radius

The memo described alleged efforts aimed at Eric’s relatives too.

Prosecutors wrote that Richins hired counsel to advocate for the criminal prosecution of her sister-in-law, Katie Richins-Benson, who is now raising the three boys with her husband, Clint. The memo said Richins filed false reports with child welfare officials while the boys were in their custody. Prosecutors said she caused family members to pursue federal firearms charges against Eric’s father, Gene, after he removed his son’s guns from the family home for safekeeping. They also said she reported Eric’s sister Amy to the police for marijuana possession.

Those allegations gave shape to something the sentencing hearing kept returning to. The boys said they were afraid. The oldest, now 13, put it plainly: “I’m afraid if she gets out, she will come after me and my brothers, my whole family.” Eric’s family asked the judge not to leave them wondering.

The memo gave that fear a paper trail.

The Grief Book Was the Cover Story

Credit: Goodreads/Kouri D. Richins

Richins was arrested in 2023, more than a year after Eric died, during which time she had promoted Are You With Me? on local television and radio as a resource for her sons. The public story was healing language, soft lighting, and a mother doing her best. The courtroom version was different. Prosecutors said she killed Eric for financial gain, falsely believed she would inherit his estate, and collected $1.39 million in insurance payouts after his death.

A jury convicted her of aggravated murder, attempted aggravated murder, insurance fraud, and forgery.

Then came the sentencing memo, with prosecutors arguing that her actions before and after Eric’s death showed an “irredeemable character.” That phrase is brutal. It was also the frame prosecutors used to ask for life without parole rather than 25 years to life.

The Judge Did Not Leave an Opening

Judge Richard Mrazik chose life without parole.

He said someone convicted of Richins’ crimes was “simply too dangerous to ever be free.” He imposed consecutive sentences for the attempted murder, insurance fraud and forgery convictions as well.

The sentence was handed down on what would have been Eric Richins’ 44th birthday. He was 39 years old when he died. He never turned 40. His sons were 9, 7, and 5.

Richins maintains her innocence. Her defense team plans to appeal. That belongs in the record.

But the legal result, for now, is this: the woman who wrote a grief book for her sons will spend the rest of her life in prison for murdering their father.

The sentencing memo did not replace that story. It sharpened it.

The book asked children to imagine a father still present after death. The memo asked the judge to imagine what Kouri Richins might do if she ever got out.

He did not leave the question open.