Brothers from Burkhardt died of overdoses
The St. Croix County Sheriff's Department has released the autopsy results in the deaths of brothers Jeffrey Konrad Knoll, 38, and Gregory Allen Knoll, 43, of Burkhardt.
According to the report from the Ramsey County Minnesota Medical Examiner's office received July 17, Jeffrey Knoll allegedly died of a heroin overdose.
Gregory Knoll allegedly died of an overdose of prescription drugs.
The Sheriff's office said the deaths remain under investigation, however.
The Knolls were found dead in their Burkhardt apartment on May 27. An investigation of the matter showed that both brothers likely died on or about May 10.
Autopsies were conducted on the brothers on May 28.