Missing seven-year-old Harmony Montgomery's dad has been blasted as a 'sweet-talking' liar by his mother-in-law - who told DailyMail.com: 'He's pure evil – I pray she's still alive.'
Cops in Manchester, New Hampshire have spent the past few weeks searching desperately for the blond-haired youngster after learning from family members that she has not been seen since 2019.
Harmony was supposed to be in the custody of deadbeat dad Adam Montgomery, 31, who was found homeless and living in a car this week.
Montgomery was arrested on a felony assault charge after his relatives told cops he once gave the little girl a black eye - but so far he has not charged over her baffling disappearance.
Adam Montgomery, 31 (left), the father of missing New Hampshire girl Harmony Montgomery (right), has been arrested on charges of assault, interference with custody and endangering the welfare of a child.
This aerial photo shows police searching the backyard at 77 Gilford Street in Manchester, New Hampshire, on Sunday as part of an investigation into the disappearance of seven-year-old Harmony Montgomery
In a further twist Wednesday night his estranged wife Kayla Montgomery, who has three kids with him but is not Harmony's mom, was arrested for claiming $1,500 worth of food stamps in Harmony's name from December 2019 to June 2021.
Speaking after her daughter's arraignment Thursday morning, Christina Rubin, 51, admitted Kayla had a history of dishonesty but insisted she had nothing to do with Harmony's disappearance.
She pointed the finger of suspicion squarely at estranged son-in-law Montgomery, a career criminal with a history of violence and drugs.
'Adam, for the first couple years was some sweet guy – but he's not, he is pure evil. He is pure evil,' she repeated from the doorstep of her Manchester home.
'He can sweet-talk and swindle like he did with us for two years. He points the finger at everybody else and talks up quite the storm.'
Court records seen by DailyMail.com reveal that Rubin sought a restraining order against
