India, June 11 -- The New Hampshire Supreme Court on Thursday overturned Adam Montgomery's second-degree murder conviction in the 2019 killing of his five-year-old daughter, Harmony Montgomery, ruling that he was denied a fair trial.

Montgomery had been convicted in 2024 and sentenced to 56 years to life in prison for the murder of Harmony, whose body has never been found. Harmony was last seen by her birth mother in April 2019 but her disappearance went unreported until 2021, a gap that later sparked calls for reform at child welfare agencies across New Hampshire and Massachusetts, according to CBS News.

The court upheld Montgomery's other convictions, including falsifying physical evidence, witness tampering, abuse of a corpse and ass...