Harmony Montgomery case: New Hampshire announces murder charge against missing girl’s dad

New Hampshire’s top prosecutor announced that Adam Montgomery has been charged with second-degree murder, falsifying evidence, abuse of corpse and tampering with witnesses at a news briefing Monday, roughly three years after the missing Harmony Montgomery was last seen alive.

Investigators in August announced that they would shift the focus of their investigation from a missing person to a homicide – and said they believe she had been murdered in Manchester in 2019.

The girl’s father, Adam Montgomery, has already been jailed since January on charges of child abuse in connection with the fruitless search for his missing daughter. He’s also an ex-con heroin addict who shot a man in Massachusetts in 2014 and is a suspect in an unrelated cold case murder.

MISSING HARMONY MONTGOMERY: MASSACHUSETTS WATCHDOG FINDS ‘MISCALCULATIONS’ PRECEDED GIRL’S DISAPPEARANCE

In addition to allegedly killing his daughter, he is now also accused of attempting to get his estranged wife, Kayla Montgomery, to go along with his story, New Hampshire Attorney General John Formella revealed Monday afternoon.

Judge Amy Messer last week ruled on a series of motions from Adam Montgomery’s defense team alleging that his Miranda rights had been violated by a Manchester detective after his arrest. She partially granted a request to suppress his interview, ordering that only a portion conducted after the alleged violation be struck.

A separate motion to suppress phone evidence was denied, with Messer finding that Adam Montgomery gave up his right to privacy when he claimed to detectives that the phone wasn’t his.

He is accused of giving his partially blind daughter a black eye in 2019 and other child abuse, according to investigators, but has not been charged in her suspected homicide.

In July of 2021, his mother-in-law filed for an order of protection after alleging that he showed up at her house with a knife and tapped on the window while her daughter was hiding out there following the couple’s split.

The estranged wife, Kayla Montgomery, is also currently facing criminal charges after allegedly collecting welfare payments on behalf of Harmony for more than a year after she last saw the girl. She is also accused of lying to grand jury.

MISSING HARMONY MONTGOMERY: TIMELINE OF NEW HAMPSHIRE GIRL’S DISAPPEARANCE

Harmony’s noncustodial biological mother reported her missing in late November 2021, according to a police affidavit, after she spent almost two years trying to contact the girl’s father without success. When investigators began looking for her, they discovered no one they interviewed had “physically seen her” since just after Thanksgiving in 2019.

Earlier this year, detectives searched a former apartment of Adam and Kayla Montgomery and were seen carrying out evidence, including an entire refrigerator.

Harmony’s remains have not been found.

Anyone with information on the case is asked to call the dedicated tip line at 603-203-6060.