GRIGGS COUNTY, N.D. — A Griggs County man accused earlier this year of plotting to poison a town’s water supply has been sent back to prison on an unrelated charge. Matthew Bakke, 43, was ordered Friday, April 25, to serve the final two years of a previous manslaughter sentence after violating his probation.
Bakke had initially been sentenced in 2017 to eight years in prison and two years of probation after pleading guilty in a deadly drunk dri…