Investigators have found indications that Miriam Carey suffered delusions due to a history of mental illness, NBC Connecticut reports.
Last night her mother revealed the 34-year-old has suffered from postpartum depression since giving birth to her daughter Erica last year.
These revelations are the first clues as to what led a seemingly happy dental hygienist to snap and drive her Infiniti luxury sedan 270 miles from her home in suburban Stamford to Washington, DC – where her rampage put the nation’s capital on lock-down Thursday.
Carey’s 18-month-old daughter Erica – who was in the back seat – was not injured, despite the Secret Service and U.S. Capitol police firing up to 15 shots into her car.
Little Erica was rescued from the bullet-riddled car after her mother was shot dead. She is currently in the custody of child services workers.
Idella Carey told ABC News that her daughter Miriam ‘had postpartum depression after having the baby’ in August 2012.
‘A few months later, she got sick. She was depressed…. She was hospitalized,’ Mrs Carey added.
She thought Carey was taking Erica to a doctor’s appointment in Connecticut.
The 34-year-old has five sisters, one of whom is an NYPD officer.
Another, Amy Carey – who is a nurse in Brooklyn – expressed disbelief when told about what happened to her sister by a Washington Post reporter.
‘That’s impossible. She works, she holds a job. She wouldn’t be in D.C. She was just in Connecticut two days ago,’ she said. ‘I spoke to her…I don’t know what’s happening. I can’t answer anymore.’
Dentist Barry Weiss told NBC Connecticut that Carey was working for him in January 2012 when she suffered a fall and missed two-to-three weeks of work.
When she returned she was pregnant but he later fired her in August 2012 after patients complained that she was too rough.
She was not married to the father but ‘seemed happy’ about the pregnancy, the former boss said.
Authorities said the single-mother had a ‘history of mental illness’ but did not elaborate.
Neighbor Erin Jackson told ABC she believed Carey lived in the Stamford home with the baby and the girl’s father.
Asked if she believed Carey suffered from a mental illness, Jackson said ‘absolutely’ and revealed she had her tires slashed in an incident last year in Connecticut.
Read more: dailymail.co.uk