Fort Thompson woman pleads guilty to killing her boyfriend - KSFY News - Sioux Falls, SD News, Weather, Sports

Fort Thompson woman pleads guilty to killing her boyfriend

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PIERRE, S.D. (AP) - A South Dakota woman has pleaded guilty to killing her boyfriend in a vehicle crash that authorities say happened when she fled from a police officer making a traffic stop.

Leigha Koster, 20, of Fort Thompson, has pleaded guilty to involuntary manslaughter in federal court. U.S. Attorney Brendan Johnson says she faces up to eight years in prison when she is sentenced next Jan. 7.

Authorities say Koster was driving drunk on July 28 when the Crow Creek tribal officer stopped her, and that she sped away at more than 100 mph and lost control of the vehicle. Twenty-one-year-old Louis Herman died in the rollover crash near Fort Thompson. A 15-year-old female passenger survived.









(Copyright 2012 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.)

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