Marshall County
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Marshalltown man arrested possessing powder and crack cocaine

May 31, 2019

Rural Marshall County, Iowa - Shortly before midnight May 30, 2019, John Demetrus Wallace, age 47, Marshalltown was stopped by a Marshall County Sheriff's deputy and subsequently found to be in possession of powder and crack cocaine.

The Mid-Iowa Drug Task Force (MIDTF) previously served a drug search warrant on Wallace on December 25, 2018. Relatively soon thereafter the MIDTF gained information indicating that wallace was selling cocaine and resumed an investigation, which has been ongoing.

A Marshall County deputy sheriff located Wallace driving on Highway 330 in southern Marshall County and subsequently arrested him for traffic violations. At the time of the stop, approximately 3 ounces of suspected cocaine was thrown from the vehicle.

A search warrant on the vehicle and his residence at 402 Melody Lane Apartment #2, Marshalltown, yielded an additional approximate 14 grams of suspected crack cocaine found concealed the vehicle and a small amount of marijuana and paraphernalia from his residence.

The street value of the cocaine products is estimated at $9200. Wallace was charged with a mix of felony and misdemeanor offenses including: Possession of a schedule II controlled substance with the intent to manufacture or deliver; Failure to affix a drug tax stamp; Possession of marijuana, 3rd or subsequent offense; keeping a vehicle for the purpose of using or selling drugs; keeping premises for the purpose or using or selling drugs; and traffic violations.

Wallace made his initial appearance Friday morning and was held in jail on a $25,000 bond.

This incident was a MIDTF coordinated investigation with the assistance of the Marshall County Sheriff's Office and Marshalltown Police Department. The MIDTF is funded in part by a grant through the U.S. Dept. of Justice, Bureau of Justice Assistance and the Governor's Office of Drug Control Policy.

About Marshall County Sheriff's Office
The Marshall County, Iowa Sheriff's Office is led by Sheriff Steve Hoffman and is committed to keeping communities and neighborhoods safe in Marshall County.

For additional information or a sample copy, contact:
Sheriff Steve Hoffman
Marshall County Sheriff's Office
Fax 641-754-6325

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This webpage was printed on June 20, 2021. For the most current information, visit the Marshall County, Iowa, Sheriff website at
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