A Grand Island woman has been sentenced in Cass County District Court to eight to 10 years in prison after being found guilty of motor vehicle homicide and failure to stop and render aid.

Mandy MacDonald, 30, pleaded no contest to causing the May 31 crash that killed Kristin J. Olson, 50, also of Grand Island. Nebraska State Patrol investigators said the crash occurred about 6:30 p.m. on westbound Interstate 80 near the Greenwood exit.

In his sentencing order, Judge Jeffrey Funke said, "Imprisonment of the defendant is necessary for the protection of the public because the risk is substantial that the defendant will engage in additional criminal conduct if placed on probation, and a lesser sentence will depreciate the seriousness of the crime or promote disrespect for the law."

Funke sentenced MacDonald to one year in prison for motor vehicle homicide to be followed by seven to 10 years for failure to stop and render aid. She was given credit for 255 days she already has served.

Under state sentencing guidelines, prison terms are cut in half.

MacDonald's driver's license was revoked for 15 years.

An investigation by the patrol determined that MacDonald's car entered the median, returned to the road and collided with Olson's sport utility vehicle, which also was westbound. The collision caused the SUV to roll in a ditch, ejecting Olson, who was not wearing a seat belt.

MacDonald fled and was stopped by a state trooper in Lancaster County, authorities said.

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