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Event Brief

Horse farm owner sentenced to life for boyfriend's murder

Caylen Deller, 32, was sentenced to life in prison after a jury found her guilty of first-degree murder in the September 2024 killing of Chad Mullen at her San Mateo horse farm. Jurors also convicted her of tampering with evidence and failing to report a death. Mullen's body was found in a shallow grave more than a month after he went missing.
WHO: Caylen Deller, 32, and Chad Mullen
WHAT: Deller was convicted of Mullen's murder and sentenced to life in prison; she was also convicted of tampering with evidence and failing to report a death.
WHEN: Reported Oct 16, 2026 at 6:06 AM ET
WHERE: San Mateo, Florida
WHY: The jury found Deller guilty of first-degree murder after considering the case; prosecutors said she killed Mullen and arranged to move his body. Deller testified that she acted in self-defense.

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