The mother of a man found decapitated in Henderson testified Friday about discovering her son’s body and noticing, days later, that a large knife had disappeared from her kitchen.

It was “very shocking,” said Yoko Willette, who spoke in court through a Japanese interpreter.

Devyn Michaels, 47, is currently on trial, accused of killing her on-again, off-again boyfriend Johnathan Willette in August 2023. Investigators have never located the head or the murder weapon.

Stephanie Yagi, a medical examiner for the Clark County coroner’s office, told jurors Friday that the decapitation occurred after Willette’s death.

At the time of the killing, Michaels was living with and married to Deviere Willette , Willette’s son, lawyers said earlier this week.

Yoko Willette said her son Johnathan Wille

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