Jun 12, 2026 · 8 min · 11 segments
2019 - Manchester, NH. On December 31st, 2021, the Manchester, NH police went to the media with an alarming press release: a little girl named Harmony Montgomery was missing, and she hadn't been seen…
Kristen SeaveyHost
On Thursday, June 11th, 2026, the New Hampshire Supreme Court ruled that Adam Montgomery did not receive a fair trial on the murder charge.
At the center of the decision was evidence related to a separate assault charge.
So basically, during Adam's murder trial, there were also other charges that the jury was considering too.
Prosecutors alleged that months before Harmony's death, Adam struck her in the face and gave her a black eye.
Jurors heard testimony about that incident as well as evidence suggesting that Adam had physically abused Harmony on multiple occasions.
The Supreme Court concluded that the assault evidence was highly emotional and inflammatory.
The court found that this evidence likely influenced the jury's consideration of the murder charge, particularly because there was no direct physical evidence linking Adam to Harmony's death, and prosecutors relied heavily on circumstantial evidence and Kayla's witness testimony.
What this essentially breaks down to is that the court stated the assault evidence painted Adam as a bad person, which created a substantial bias that jurors convicted him based on his character and past behavior, rather than solely on the evidence related to the murder charge.
This is where prior bad acts come into play, something that I talk about in detail in a past episode on the case of Mark Dugas.
And if you want to listen to that and learn more about prior bad acts, I'll link that in the show notes.
Instead, they found an error that was significant enough to undermine the confidence of the murder verdict and possibly warrant Adam Montgomery a new trial.
While the Supreme Court overturned the murder conviction, he remains behind bars on an unrelated weapons conviction, in which the judge threw the book at him.
He's serving a minimum sentence of 32 and a half years, in addition to the other convictions that were upheld by the court.
In my opinion, the weapons trial going first was a failsafe just in case they didn't get the conviction on the murder.
Prosecutors have announced that they intend to retry him on the murder charge, but we'll have to see what happens.
The circumstances for Kayla are different, and if she refuses to testify this round, they really don't have much of a case.
Prosecutors say that Adam Montgomery killed his daughter and then spent months concealing, transporting, and ultimately disposing of her remains.
On Thursday, June 11th, 2026, the New Hampshire Supreme Court ruled that Adam Montgomery did not receive a fair trial on the murder charge.
At the center of the decision was evidence related to a separate assault charge.
So basically, during Adam's murder trial, there were also other charges that the jury was considering too.
Prosecutors alleged that months before Harmony's death, Adam struck her in the face and gave her a black eye.
Jurors heard testimony about that incident as well as evidence suggesting that Adam had physically abused Harmony on multiple occasions.
The Supreme Court concluded that the assault evidence was highly emotional and inflammatory.
The court found that this evidence likely influenced the jury's consideration of the murder charge, particularly because there was no direct physical evidence linking Adam to Harmony's death, and prosecutors relied heavily on circumstantial evidence and Kayla's witness testimony.
What this essentially breaks down to is that the court stated the assault evidence painted Adam as a bad person, which created a substantial bias that jurors convicted him based on his character and past behavior, rather than solely on the evidence related to the murder charge.
This is where prior bad acts come into play, something that I talk about in detail in a past episode on the case of Mark Dugas.
And if you want to listen to that and learn more about prior bad acts, I'll link that in the show notes.
Instead, they found an error that was significant enough to undermine the confidence of the murder verdict and possibly warrant Adam Montgomery a new trial.
While the Supreme Court overturned the murder conviction, he remains behind bars on an unrelated weapons conviction, in which the judge threw the book at him.
He's serving a minimum sentence of 32 and a half years, in addition to the other convictions that were upheld by the court.
In my opinion, the weapons trial going first was a failsafe just in case they didn't get the conviction on the murder.
Prosecutors have announced that they intend to retry him on the murder charge, but we'll have to see what happens.
The circumstances for Kayla are different, and if she refuses to testify this round, they really don't have much of a case.
Prosecutors say that Adam Montgomery killed his daughter and then spent months concealing, transporting, and ultimately disposing of her remains.
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