KENT COUNTY, Mich. (March 21, 2014) — Four corrections officers with the Kent County Sheriff’s Department are facing drug charges following a suspicious package discovery by the United States Postal Service in Grand Rapids.

The Kent Area Narcotics Enforcement Team (KANET) was called by the USPS March 17 to inspect a suspicious package, according to a release.

Their investigation led them to the corrections officers who, according to a press release, were making or in possession of a large quantity of marijuana butter.

The corrections officers have been identified as Sgt. Tim Bernhardt, Corrections Officer Mike Frederick, Corrections Officer Todd VanDoorne and Corrections Officer Brian Tennant.

All four were arraigned Friday on drug-related charges.

Bernhardt was charged with delivery or manufacturing marijuana and conspiracy to deliver or manufacture a controlled substance. Frederick was charged with delivering or manufacturing marijuana and possession of a controlled substance. VanDoorne faces charges of possession of a controlled substance and maintaining a drug house. Tennant faces charges of delivering and manufacturing marijuana nd possession of a controlled substance.

They have all been with the department for 20 years or more.