A woman has died after she was stabbed in the face and neck with a knife inside a Shaw's grocery store in Saco, Maine, on Wednesday afternoon.
The incident occurred near the ice cream freezers at Shaw's on Scammon Street just before 3 p.m.
Wendy Boudreau, 59, of Saco, was seriously injured in the attack and later died at Southern Maine Health Care in Biddeford.
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The suspect, identified as 31-year-old Connor MacCalister, was arrested and charged with murder on Wednesday night. Police are still working on determining a motive, but according to court documents, MacCalister told witnesses she did it because she was off her medications and "She looked at me funny."
She later confessed to police, saying she was "angry with life" and wanted to get back at someone. She planned for about a month to go to Shaw's and kill several random people. She wanted to target a small elderly female who wouldn't resist.
MacCalister said she only surrendered when two men came to Boudreau's aid and ordered MacCalister to the ground until police arrived. She told police she had been planning the random attack for the past month.
State police spokesman Steve McCausland said MacCalister is being held at York County Jail and is due in York County Superior Court at 1 p.m. Friday.
Prosecutors said they anticipate that based on MacCalister's actions, one of the likely issues will be whether she had a mental condition that caused her to be unable to appreciate the wrongfulness of her conduct.
It wasn't immediately clear if MacCalister had an attorney who would comment on the charges.
The state Medical Examiner's Office will perform an autopsy on Boudreau on Thursday.