Closing arguments begin in Kouri Richins murder trial following sudden defense rest

Attorneys deliver closing arguments in the trial of Utah author Kouri Richins, accused of poisoning her husband and writing a book about grief to cover it up.

By: AXL Media

Published: Mar 16, 2026, 7:23 AM EDT

Source: Information for this report was sourced from ABC News

Closing Arguments Commence in High-Profile Poisoning Trial

The trial of Kouri Richins, 35, reaches a critical juncture on Monday as lawyers present their final summaries to the jury in Park City, Utah. Richins faces charges of aggravated murder and several financial felonies related to the death of her husband, Eric Richins. The proceedings transitioned to closing arguments sooner than anticipated after the defense team rested its case on Friday without presenting a single witness. Defense attorneys maintain that the state’s evidence, which heavily relies on circumstantial digital data and witness testimony from a housekeeper, is insufficient to secure a conviction beyond a reasonable doubt.

Prosecution Focuses on Financial Motive and Alleged Infidelity

Throughout the three week presentation of evidence, prosecutors painted a portrait of a woman driven by severe financial distress and a desire to start a new life. As a real estate agent specializing in flipping houses, Richins was reportedly $4.5 million in debt at the time of her husband's death. The state alleges she mistakenly believed she would inherit Eric’s $4 million estate and had covertly opened life insurance policies on him totaling $2 million. Furthermore, text messages presented to the jury suggested Richins was involved in an extramarital affair and was actively planning a future that did not include her husband.

Digital Evidence and Incriminating Search History

A cornerstone of the prosecution’s case involves digital forensics recovered from Richins’ personal devices. An analyst testified that her search history included queries about lethal doses of fentanyl, the contents of death certificates in poisoning cases, and "luxury prisons for the rich." These searches occurred in the months leading up to Eric Richins’ death. Additionally, the state argues that a previous attempt on Eric’s life was made on Valentine’s Day 2022 involving a fentanyl laced sandwich, an incident that allegedly caused the victim to lose consciousness but not his life.