THREE FORKS - Sidney Aimsback of Great Falls is in custody after she allegedly stole a car at gunpoint in Helena and led police on a high-speed chase.
According to Lt. Corey Bailey of the Helena Police Department, at about 3:15 p.m. police officers were dispatched to the area of Alice Street and Runkle Parkway for a report of a person who had just stolen a vehicle at gunpoint.
The person - later identified as Aimsback - then drove away in the vehicle toward Broadwater County. The vehicle was later spotted by Broadwater County Sheriff's deputies and was involved in a chase.
The chase continued through Broadwater County into Gallatin County with several law enforcement agencies involved.
The vehicle was finally stopped in the area of Willow Creek in Gallatin County where Aimsback was taken into custody.
She is now behind bars at the Gallatin County Detention Center.
The Helena Police Department says that in addition to pending charges for Tuesday's incident, Aimsback is also being held on a probation violation, robbery, and theft from the Helena Police Department's jurisdiction.
According to the Montana Department of Corrections, Aimsback has a conviction in Cascade County for robbery