The suspect accused of stabbing a woman as she changed her child's diaper inside Macy's flagship Herald Square store on Thursday had been discharged from a local mental health hospital just hours before the violent attack, prosecutors said Friday.

Kerri Aherne, 24, formerly of Tewksbury, MA, is now locked up in jail after being arraigned in New York Criminal Court on Friday night on a slew of charges, including attempted murder, assault and endangering the welfare of a child for the heinous Dec. 11 attack inside a seventh-floor bathroom inside the renowned department store.

Aherne has a lengthy history of previous mental health trouble, law enforcement sources and published reports indicated. In 2018, she was arrested in her home state of Massachusetts for allegedly threatening to murder

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