Duluth, MN (NNCNOW.com) - A woman who admitted to aggravated tampering with a witness in the death case of Trina Langenbrunner has pleaded guilty.
The St. Louis County Attorney's office says Sandra Kay Couture entered the plea before Judge Dale Harris today.
Authorities say Couture admitted to setting fire to the property of a family member of a witness in the 2000 murder case, destroying the home and vehicles and killing two dogs.
Police say Sandra Courture set the fire at the direction of Joseph John Couture who is also charged for his involvement in the arson.
A plea agreement for tampering and arson could put her in prison for 15 and a half years.