The Tennessee treasurer told the Sun-Times, “When I became aware of the risks associated with IIP’s business model in light of federal law, I requested the investments staff to sell the stock.” He said his concern is about the Controlled Substances Act, which makes it illegal to “knowingly open, lease, rent, use or maintain any place, whether permanently or temporarily, for the purpose of manufacturing, distributing or using any controlled substance” — which marijuana remains under federal law despite Illinois’ and other states’ moves to legalize it.