John Byrd: Ex-MCAO detective sentenced after pleading guilty to murdering his wife

The Brief

  • John C. Byrd III has been sentenced to 19 years in prison for killing his wife.
  • The murder happened in July 2024, at a home near Baseline and Crismon.
  • Byrd pleaded guilty in April 2025.

PHOENIX A former detective with the Maricopa County Attorney’s Office has been sentenced, almost two months after he pleaded guilty to murdering his wife in 2024.

What we know:

We learned on June 19 that John C. Byrd III was handed a 19-year prison sentence for his wife’s murder.

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