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“compiled: Elmili TK”
On a quiet Saturday in 1990, Marlene Warren opened the door of her Florida home to a woman dressed as a clown — holding flowers, balloons, and a pistol. Within moments, the 40-year-old mother lay dying from a gunshot wound to the face, the clown calmly driving off in a white convertible.
It would take 27 years to arrest the alleged killer. And only 18 months to set her free.
A Love Triangle in Greasepaint
Marlene had long suspected that her husband, Michael Warren, was cheating — and feared the consequences of confronting him. According to her mother, Marlene once said, “If anything happens to me, Mike done it.”
The woman Michael was allegedly involved with? Sheila Keen. She worked at his car dealership and was soon identified by witnesses as the same woman who had bought clown makeup, a costume, and balloons — including one that read “You’re the Greatest” — days before the murder.
That balloon was traced to a Publix supermarket near Sheila’s home. A white Chrysler convertible, stolen from Michael’s dealership, was used in the crime and later found abandoned — with synthetic orange fibers inside.
But despite all these pieces, the case went cold.
Cold Case, Hot Break
In 2014, new forensic technology reignited the case. Detectives uncovered a key fiber from the original evidence and used DNA analysis to finally tie Sheila to the crime. In 2017, she was arrested in Virginia — where she was living a quiet life with her new husband, Michael Warren, the victim’s widowed husband.
Sheila was charged with first-degree murder, and prosecutors had a clear motive: eliminate Marlene and clear the way for a life with Michael.
A Deal in Disguise
But just as the case was set for trial in 2023, Sheila struck a deal — pleading guilty to second-degree murder in exchange for a 12-year sentence. Thanks to credit for time served and Florida’s laws allowing early release for good behavior, she was quietly freed on November 2, 2024.
Sheila, now in her 60s, has never admitted guilt.
Justice or Injustice?
To many, Sheila’s release closes one of Florida’s strangest murder mysteries — but leaves behind unresolved doubts about accountability and fairness.
For the Warren family, justice may have worn a clown mask — and then disappeared just as quickly.
