Officers said they observed 31-year old Danielle Ferrante sitting in a parked, running 2006 Mitsubishi in the parking lot of Shop Rite on Route 347 in Hauppauge at 1:40 a.m.
After interviewing Ferrante, they determined she was intoxicated.
Detectives charged Ferrante with Driving While Intoxicated and two counts of Endangering the Welfare of a Child.
She will be arraigned at First District Court in Central Islip.
The children were released to the custody of their father.
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