Pharmacies can legally mix medicines, but some pharmacies produce them on large scales without federal regulation.
There have been at least 74 thefts at Indiana pharmacies this year.
A Vigo County Deputy faces charges of obtaining and attempting to obtain prescription painkillers by fraud.
Pill mills are clinics or pharmacies that cater to people who are hooked on prescription medications.
Keown said pharmacies are willing to take some cut, but not one as large as the state made.