UPDATE: De Pere Police say missing teen has been found safe.
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De Pere police are looking for the public's help in finding a 17-year-old girl who was last seen in De Pere.
Ellie E. Sheehan was seen around 8 p.m. Sunday night in the parking lot of Walmart at 1415 Lawrence Drive in De Pere.
Police say she voluntarily entered a four-door silver car driven by a female. The make of the car is not known.
Ellie is 5 feet 5 and weighs 122 pounds, and has long blonde hair and brown eyes.
She was last wearing an Army style green jacket, jeans and "UGG" style boots.
Sergeant Ryan Glime says Ellie has a severe medical condition that requires a daily dose of medication that she has not taken which puts her at risk.
The De Pere Police Department is seeking help from the public in locating Ellie and asking anyone with information to call (920) 339-4078.
