STS Files investigates the chilling case of Kouri Richins, the Utah mother and children’s book author accused of murdering her husband, Eric Richins, with a lethal dose of fentanyl. What began as a tragic story of loss quickly unraveled into a shocking tale of deception, greed, and betrayal. This episode dives deep into the forensic evidence, financial motives, and digital footprints that prosecutors claim reveal a calculated plan behind Eric’s death. Through exclusive analysis, court updates, and psychological insight, Kouri Richins: STS Files explores how a seemingly devoted wife turned into a suspect — and how a community was shaken by the dark contrast between her public image and private actions. From the 911 call to the chilling details found in her “grief” book, this investigation exposes the story behind one of the most haunting modern true crime cases. If you’re drawn to real-life mysteries, courtroom drama, and the hidden motives behind domestic crimes, this episode offers an in-depth look at a case where love, lies, and lethal intent collide.