Marshall County
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Search Warrants Served on 2nd Grow Operation this Week.

September 16, 2011

2041 Knapp Ave., Rural - Marshalltown Iowa - On Thursday, September 15th, 2011 agents with the Mid Iowa Drug Task Force served a narcotics search warrant at 2041 Knapp Avenue, Marshalltown Iowa as a result of an ongoing drug investigation.

A marijuana growing operation was located on the property as a result of the search. Approximately 15 lbs. of processed marijuana, 70 processed marijuana plants, and stolen property was seized. One arrest has been made as a result of the investigation.

Geoffrey Thayer Owens, age 34, 2041 Knapp Ave., Marshalltown Ia.

  • Ongoing criminal conduct, class B Felony
  • Manufacturing schedule I controlled substance, class D Felony
  • Possession schedule I with intent to deliver, class D Felony
  • Failure to affix drug tax stamp, class D Felony
  • Interference with official acts, class D Felony
  • Theft 2nd, class D Felony
  • Prohibited acts aggravated misdemeanor

The investigation continues. The marijuana seized had a street value of approximately $15,000.00.

The Mid Iowa Drug Task Force was assisted with execution of the search warrant by the Marshall County Sheriff's Office, State Center Police Department, and Melbourne Police Department.

The Mid-Iowa Drug Task Force is funded by a grant, through the United States Department of Justice, Bureau of Justice Assistance, and the Governor's Office of Drug Control Policy. The Task Force operates in Grundy, Hardin, Marshall and Tama Counties.

About Marshall County Sheriff's Office
The Marshall County, Iowa Sheriff's Office is headed up by Sheriff Ted G. Kamatchus. Sheriff Kamatchus is committed to keeping communities and neighborhoods safe in Marshall County.

For additional information or a sample copy, contact:
Chief Deputy Burt D. Tecklenburg
Marshall County Sheriff's Office
Fax 641-754-6325

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This webpage was printed on July 1, 2022. For the most current information, visit the Marshall County, Iowa, Sheriff website at
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