Photo: Cynthia Galens in the Monroe County Jail in New York.
New York State police arrested the 51-year-old Galens of Farmington on Wednesday with the charge of second-degree murder for the death of 47-year-old Thomas Stack. On Oct. 3, medics came to the couple's home and took Stack to the hospital, where he died.
An autopsy listed the cause of death as "complications of ethylene glycol intoxication," referring to the active ingredient in automotive antifreeze.
Troopers say they were tipped off this week that Galens was involved.
She is in the Monroe County jail without bail. Officials didn't know whether she has a lawyer yet or what she had planned for happpy hour.