Adam Montgomery to plead guilty to abuse of corpse, falsifying evidence charges in death of daughter

MANCHESTER, N.H. — In an unexpected move, Adam Montgomery, the New Hampshire father accused of killing his young daughter, told a judge via Zoom on Wednesday that he intends to plead guilty to charges of abuse of a corpse and falsifying evidence in the death of Harmony Montgomery.

Montgomery agreed to allow “concessions” during opening statements, and with no jurors present, his attorneys informed the judge that they intended to concede to the lesser charges when opening statements got underway.

Montgomery is charged with second-degree murder and assault in connection with the death of Harmony. Authorities have also charged him with witness tampering, in addition to the criminal offenses of falsifying physical evidence (after, destroy, hide), and abuse of a corpse.

Montgomery refused to appear in court Wednesday on a day in which the jury was seated in his murder trial, while New Hampshire Senior Assistant Attorney General Ben Agati told the court that jurors would be touring key locations connected to Harmony’s disappearance ahead of opening statements.

Before the jury was seated, Boston 25′s Bob Ward reported that Montgomery wasn’t present in court because he refused to make an appearance for the second day of trial proceedings.

“Adam Montgomery is not in court. I was told he didn’t want to attend his own trial today. They are moving forward without him,” Ward wrote in a post on X.

The judge delivered opening instructions and Agati said that jurors would visit a methadone clinic that Montgomery allegedly visited on the morning of Harmony’s death, the area around a Burger King where she was allegedly killed, a Union Street apartment in Manchester where a refrigerator was removed, and the former site of a Portland Pie restaurant where Harmony’s remains where alleged to have been stored in a freezer.

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First glimpse inside the Manchester NH apartment searched in Harmony Montgomery investigation

It wasn’t easy to select a jury, especially since the Harmony case has dominated New Hampshire news for more than two years. Messer and both sides spent hours, talking to more than 120 potential jurors before whittling down from a final pool of 27.

Harmony was last seen in December 2019. Her body has never been found.

When jury selection began Tuesday morning, photos showed Montgomery smiling with his tongue out as was ushered into court.

Before Messer began the jury selection process, she asked Montgomery if he wanted to waive his right to wear a leg brace and instead appear in court cuffed in shackles.

“I was surprised this morning that you preferred not to wear the leg brace and you wanted to wear the leg shackles,” Messer said.

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Jury selection begins in Adam Montgomery jury trial Adam Montgomery enters the courtroom for jury selection ahead of his murder trial at Hillsborough County Superior Court in Manchester, N.H, on Feb. 6, 2024. He is accused of killing his five-year-old daughter, Harmony. David Lane/UNION LEADER POOL (DAVID LANE/UNION LEADER)

Montgomery responded, “That’s correct.”

“The shackles may be evident to the jurors. Do you understand that?” Messer asked.

“I do,” Montgomery said.

Adam Montgomery says he'll wear shackles during murder trial in death of his daughter

The trial is scheduled to continue daily when the court is open through Feb. 29. The trial will be held in Courtroom 1 of Hillsborough County Superior Court Northern District in Manchester.

When opening statements get underway, possibly Thursday, Agati said that the jury will hear testimony that Montgomery was getting high while his daughter was dying.

Defense attorneys for Montgomery earlier sought to sever charges against their client into separate trials.

“I did not kill my daughter Harmony and I look forward to my upcoming trial to refute those offensive claims,” Montgomery, 34, said in court last August before he was sentenced on unrelated gun charges.

He acknowledged he was an addict: “I could have had a meaningful life, but I blew that opportunity through drugs. I loved my daughter unconditionally and I did not kill her.”

A star witness in the case is expected to be Adam’s estranged wife Kayla Montgomery who has agreed to testify against Adam.

Harmony was reported missing in 2021 by her mother, who said she hadn’t seen the girl in more than two years. Police later believed the child had been killed in Manchester in 2019.

In an earlier affidavit, investigators allege Adam beat Harmony to death in a fit of rage after she had a “bathroom accident” in the car the family was living in before moving her lifeless body from one hiding place to the next in an effort to conceal the stench of her decaying remains. Harmony’s body has never been found.

Adam repeatedly struck Harmony, who was 5 at the time, in the head in frustration over the accident in December 2019, Adam’s estranged wife, Kayla Montgomery, told Manchester police detectives.

Adam Montgomery indicted on second-degree murder charge in death of his daughter Harmony Montgomery

“Kayla described that Harmony was in the rear seat on the passenger side, and while Adam was driving he turned his body and delivered sets of three-to-four blows with a closed fist to Harmony’s face/head on three separate occasions over the course of a few minutes,” a detective stated in the affidavit. “Kayla stated that after the final blow, Adam said words to the effect of that he felt something or heard something when he hit Harmony, and, ‘I think I really hurt her this time. I think I did something.’”

After the assault, Harmony reportedly began making a moaning type of noise as the family drove to Burger King, which went on for roughly five minutes and then stopped.

“At no time did anyone stop or get Harmony medical attention as the result of this assault. Kayla said this happened in the morning while the family was on their way to the Burger King on Route 3 in Manchester,” the detective explained. “Afterward the family returned to the parking lot of the Colonial Village apartments. The family stayed at Colonial Village for approximately 20 minutes, during which time no one checked on Harmony.”

Harmony died in the car a short while later, at which point Adam and Kayla placed her “lifeless” body into an Under Armour duffle bag before transferring her body into a red cooler with a white top, the affidavit showed.

“Kayla explained how Harmony’s body was moved to various locations over the course of the next several months. She stated that after living in the Colonial Village parking lot, they then moved in with her mother at 258 Dubuque Street,” the detective added. “Kayla said when they arrived at the residence, Harmony’s body, which was still in a duffle bag, was placed inside a red cooler with a white top in the common hallway of the apartment building. She stated that the body was left there the whole time the family stayed there, until the end of December 2019.”

First glimpse inside the NH apartment searched in Harmony Montgomery investigation

Harmony’s body was also said to be placed inside garbage bags and a refrigerator after her death.

In an interview in June 2022, Kayla alleged that Adam placed the duffle bag with Harmony’s remains in a ceiling vent in a bedroom when they later moved into a “Families in Transition” shelter on Lake Street.

“Kayla stated that during this time, there was liquid coming from the bag containing Harmony’s dead body, and there was an odor,” the detective explained. “She said Adam placed a trash bag around the bag to keep it from leaking.”

Investigators remove evidence from apartment tied to Harmony Montgomery

Detectives later searched the ceiling vent, located a large area of staining, and submitted that section for DNA testing.

“The DNA profile obtained from the sample is approximately 1.1 trillion times more probable if the sample originated from Harmony Montgomery and one unknown person than if it originated from two unknown persons,” detectives stated.

‘I didn’t kill her’: Adam Montgomery denies killing daughter, Harmony, during sentencing hearing

Kayla said that when they later moved to Union Street in February 2020, Harmony’s remains were transferred into a refrigerator. At a subsequent point in time, Adam allegedly moved his daughter’s remains into a Catholic Medical Center maternity bag while spending hours in the bathroom with the shower running.

“This bag was much smaller than the Under Armour duffle bag, and it would not likely fit Harmony’s body unless it was dismembered or grossly distorted,” detectives stated. “Kayla described an odor coming from the bathroom and saw steam coming from the bathroom when Adam would open the door. Kayla recalled the scent of cleaning supplies in the bathroom when Adam had finished up.”

Adam later brought that CMC bag to his place of work, the Portland Pie Company restaurant on Elm Street, where he stored Harmony’s remains in a walk-in cooler for a “week or so,” Kayla told detectives.

A Portland Pie Company worker questioned during the investigation said he recalled seeing the CMC bag in the cooler on a couple of occasions on both the floor and shelf but never asked Montgomery about it since he knew he had children.

The documents indicated that Adam later brought Harmony back to their Union Street apartment, where he allegedly dumped her frozen remains into the tub so he could use a bag of lime to “help with the decomposition” of her body.

“Adam had a difficult time fitting Harmony’s body back into the CMC maternity bag. Harmony’s body was frozen,” Kayla recalled before admitting to helping Adam cut Harmony’s clothes off of her body to make her fit into the bag.

In either March or May of 2020, Adam rented a U-Haul and during the overnight hours, made a trip to an unknown destination to dispose of Harmony’s dead body, according to Kayla.

“Kayla stated that around the time that Adam disposed of Harmony’s body, they stayed in the Econo Lodge or Comfort Inn,” detectives said. “Kayla saw the U-Haul from the hotel window, and she described it as a van with a large “19.99″ on the back, which is consistent with the lettering/numbering on a U-Haul rental vehicle.”

When he returned to the hotel, Kayla said Adam seemed very tired, and that he said words to the effect of “it’s done.”

In April, the search for Harmony’s remains brought investigators to the wetlands along Lynn Marsh Road in Revere. That search ultimately ended without police saying if they found any evidence related to Harmony.

In August, Montgomery was sentenced to up to 65 years in prison in connection with theft and sale of firearms after he proclaimed his innocence in Harmony’s death.

This is a developing story. Check back for updates as more information becomes available.

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