DEA confiscates plants; Vought workers not involved More

Headmaster: Arrest violates charter school’s ‘role model’ policy More

Police also found guns at teacher's home More

Operation included grow lights, carbon dioxide and watering systems, cameras, 42 pounds of pot More

District Attorney asks state investigators to look for possible connections More

South Nashville house filled with plants, processed marijuana and special equipment for growing pot More

Police seize 2 tons of marijuana valued at $4 million  More