← Back to United States casesSteven Edward Riley Jr., Stephanie Gonzales, and others Allegedly Murdered by Ina Kenoyer, Minot, North Dakota, United States
Case Summary
Steven Edward Riley Jr., aged 51, was found unconscious at his residence in Minot, North Dakota, on September 4, 2023, and later died from antifreeze poisoning. His long-term partner, Ina Kenoyer, aged 47, was arrested and charged with felony murder, accused of poisoning him to inherit a supposed $30 million inheritance, which was later revealed to be a scam. The couple had been together for 10 years but faced financial struggles. Friends and family reported suspicions about Kenoyer's behavior and motives. Kenoyer pleaded guilty in May 2024 and was sentenced to 50 years in prison in October 2024.
Basic Information
Country: United States
State/Province: North Dakota, United States
City/Region: Minot
Incident Type: Murder
Relationship Status: Live-in relationship
Relationship Duration: 10 years
Incident Date: Sept. 4, 2023
Incident Sequence and Additional Victims
Primary reported outcome: Homicide
Reported self-harm outcome: No suicide or attempt reported
Reported sequence: Order not reported / unclear
Additional victims reported: 0
Relationship Journey
Relationship Origins:
- Friends circle
- Met during travel
Relationship Stages:
- Dating
- Living Together without Marriage
Analysis
Contributing Factors:
- Cheating / Infidelity
- Financial Issues
- Domestic Conflict
- Divorce / Separation
Red Flags:
- Secretive communication patterns
- False accusations of infidelity
- Escalation Pattern / Violence
- Manipulative behavior
- Threats
- Divorce Pending / Recent Separation
Motives:
- Money / Financial Gain
- Revenge
- Suspicion of infidelity
- Eliminate romantic partner
Relationship Outcomes:
- Divorce filed
- Legal case ongoing
- Homicide during marriage
- Arrest made
- Relationship ended
People Link Graph
Relationship Journey Graph
Origin
- Friends circle
- Met during travel
How the relationship or connection began.
Status
- Live-in relationship
10 years
Stages
- Dating
- Living Together without Marriage
Important relationship phases recorded for this case.
Warning Signals
- Secretive communication patterns
- False accusations of infidelity
- Escalation Pattern / Violence
- Manipulative behavior
- Threats
- Divorce Pending / Recent Separation
Reported red flags or early concern points.
Pressure Points
- Cheating / Infidelity
- Financial Issues
- Domestic Conflict
- Divorce / Separation
- Money / Financial Gain
- Revenge
- Suspicion of infidelity
- Eliminate romantic partner
Contributing factors and possible motives from the available sources.
Incident
2023-09-04
Outcome
- Divorce filed
- Legal case ongoing
- Homicide during marriage
- Arrest made
- Relationship ended
Recorded relationship or case outcome.
Sources
English labels are shown first. Original-language titles are preserved for source verification.
Steven Edward Riley Jr., Stephanie Gonzales, and others Allegedly Murdered by Ina Kenoyer, Minot, North Dakota, United States
Emma Kenny - England · Original language: English
View original title
She Poisoned Her Husband for his $30,000,000 Inheritance...
AI Intelligence Assessment
Relationship Pattern
Jealousy
Pattern Analysis
The case involves a long-term live-in relationship marked by financial struggles and suspicion of infidelity. The victim's impending inheritance and plans to end the relationship triggered jealousy and a lethal response by the partner, who allegedly poisoned him to gain financially. The relationship pattern reflects escalating domestic conflict fueled by financial motives and mistrust.
Investigative Notes
Investigation initiated following multiple reports from friends and family suspicious of the partner's involvement. Toxicology confirmed ethylene glycol poisoning. Evidence included antifreeze found in the home and suspicious behavior by the suspect. The suspect was arrested, charged with felony murder, and later pleaded guilty. Court proceedings included competency evaluations and impact statements from family. Sentencing imposed a 50-year prison term with probation and restitution.
Investigation Confusion
Initial confusion over the legitimacy of the inheritance, which was later revealed as a scam. The suspect's inconsistent claims about the victim's condition and denial of poisoning complicated early investigation. Discrepancies in relationship status terminology (common-law wife vs. fiance) and the suspect's claims of medical expertise added complexity.
Case Reconstruction / Puzzle Pieces
Steven Riley Jr. was found unconscious on September 4, 2023, after rapidly declining health consistent with antifreeze poisoning. Friends reported his sudden illness and suspicions about Ina Kenoyer, his long-term partner. Police found antifreeze in the home and toxicology confirmed poisoning. Kenoyer had motive linked to a supposed $30 million inheritance and the victim's intention to end their relationship. After arrest and legal proceedings, Kenoyer pleaded guilty and was sentenced. The inheritance was later confirmed as a scam, underscoring the tragic consequences of deception and mistrust.
Risk Assessment
High risk due to prolonged financial dependency, jealousy, and escalating conflict culminating in lethal violence. The presence of manipulative behavior and delayed medical intervention increased victim vulnerability.
Key Takeaways
Financial motives and jealousy can escalate to lethal violence in long-term relationships. Delayed medical intervention and manipulative behavior by partners are critical warning signs. False beliefs about financial gain can dangerously distort relationship dynamics. Vigilance by friends and family is vital in suspecting and reporting abuse or foul play.
AI Case Q&A
What early signals mattered most?
Early signals included the victim's sudden severe illness, the partner's suspicious comments about poisoning, and the victim's expressed intent to end the relationship upon receiving inheritance.
Which clues helped connect the case?
Clues included the presence of antifreeze in the home, toxicology results showing ethylene glycol, the partner's inconsistent statements, and witness reports of conflict and the partner throwing out the victim's belongings.
Which evidence types appeared strongest?
Strongest evidence was toxicology confirming antifreeze poisoning, physical evidence of antifreeze in the home, witness testimonies about suspicious behavior, and the suspect's own admissions during interrogation.
Witness / Eyewitness Statements
Witnesses reported the partner's threatening comments about poisoning, throwing the victim's belongings out, the victim's rapid health decline, and the partner's refusal to allow friends to check on the victim. Police and friends expressed concern over the partner's behavior and the victim's condition.
How did follow-up reports change the understanding?
Follow-up reports revealed the inheritance was a scam, altering the understanding of the financial motive. The suspect's guilty plea and sentencing clarified legal outcomes. No further updates on appeals or additional suspects were reported.
What remained unclear?
Unclear details remain about the full extent of the suspect's prior behavior and whether others were involved. The exact timeline of poisoning administration is not fully detailed. The suspect's mental health status beyond court-ordered evaluations is not fully disclosed.