A month-long investigation led Knox County Sheriff's Office to shut down two more marijuana grow houses Wednesday following a pot bust Tuesday.

Deputies found about 160 plants inside 43-year-old Christopher Fuller's home Tuesday afternoon. The investigation led them to a second home on Kingman Drive in North Knoxville, where they found more growing equipment as well as guns, ammo, cash and several other drugs.

At a third home on Maxwell Street, they found more growing equipment. They also found 18 marijuana plants that had been moved to another location.

Fuller is facing several charges including cultivation of a schedule VI narcotic. His total bond is $30,500.

A second man, 45-year-old David Christopher Holloway, who lives at the home on Maxwell Street, has been charged with tampering with evidence in the case against Fuller. His bond was set at $2,000.

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