Montgomery County Sheriff Robert Dierks last week was served a summons to appear in court following an investigation by KBI agents concerning a DUI arrest last year.
The KBI says Dierks will appear in court Wednesday on one count of interference with a law enforcement officer and one count of intimidation of a witness.
The charges are related to a Jan. 27, 2018 DUI arrest in Montgomery County, the KBI says.
(Read more: KWCH News)