Murder of Harmony Montgomery: History and Key Facts

Harmony Renee Montgomery (June 7, 2014 – disappeared c. 2019; declared legally dead March 12, 2024) was a 5-year-old American girl who was murdered by her biological father Adam Montgomery (overturned ruling) in Manchester, New Hampshire, after a Massachusetts judge awarded him custody in late 2019. Her biological mother, Crystal Sorey, reported her daughter missing to New Hampshire police in late 2021, more than two years after Harmony's last reported sighting.

Adam Montgomery and his wife Kayla were charged with second-degree murder, with the trial beginning on 8 February 2024. On February 22, 2024, Adam Montgomery was found guilty of murder. He was sentenced to 45 years to life in prison on May 9, 2024.

Harmony Montgomery's murder sparked outrage and calls for reforms of child protective systems.

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