The Fresno County Sheriff's Dept. uses helicopters to patrol and count pot grows. More than 550 sites were counted in the county last year.
A Fresno County ban on all marijuana cultivation takes effect this week, under the protests of medical marijuana patients. The ban includes fines of $1,000 per plant. It's a first for any county in the state, and is modeled after a similar ban in the city of Live Oak, near Sacramento. Reporter: Alice Daniel
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