The Fate of William and Tillie Stepson
Killers of the Flower MoonThis flow traces the suspected murders of William Stepson and Tillie Stepson, whose deaths expose another chain of inheritance and predation.
increasing
Bearing strength in each event
decreasing
A Champion Dies Suddenly

A Champion Dies Suddenly
A Night Away
William Stepson receives a call and leaves his home in Fairfax. He returns visibly ill and dies within hours, despite having been in strong health.
Poison Suspected
Authorities suspect strychnine but do not conduct a thorough toxicology investigation. His death becomes one more warning that poisoning can be mistaken for a natural illness.
Morrison Enters the Family

Morrison Enters the Family
A New Marriage
After William’s death, Kelsie Morrison marries Tillie Stepson and becomes guardian of her children. The arrangement gives him access to their estate and property.
A Suspect in Plain Sight
Authorities later believe Morrison may have killed William to marry Tillie and gain control of the inheritance. His role connects the Stepson family’s loss to the larger world of headright predation.
Tillie Becomes Wary

Tillie Becomes Wary
Fear of Poison
Tillie grows suspicious of Morrison, especially after he is overheard discussing strychnine. She tells her lawyer that she wants to change her will and end Morrison’s guardianship over her children.
A Narrow Window
Before she can complete those changes, Tillie dies of suspected poisoning. Her death leaves her children vulnerable and Morrison in control of much of the estate.
Children Left Behind

Children Left Behind
An Orphaned Household
William and Tillie’s children lose both parents while still young. Their family story continues beyond the deaths in the form of vulnerability and inherited fear.
A Threat in Writing
While imprisoned, Morrison asks how he might gain control of the children’s future money and considers taking them out of state. The note raises fears that the killing plot may continue into another generation.
A Grandson’s Testimony

A Grandson’s Testimony
Family History Recovered
Marvin Stepson researches his grandparents’ deaths and tells the reporter that Morrison murdered both of them. His account gives a descendant’s voice to crimes absent from a completed prosecution.
Anger and Inheritance
The family’s loss persists across decades, including the knowledge that Morrison left a child’s household without parents. The case shows how private research can uncover truth without bringing formal justice.
February 1922
1922
1923
1923 onward
2015