FILE - In this April 14, 2016 file photo, investigators load marijuana plants onto a Colorado National Guard truck outside a suspected illegal grow operation in Denver. Colorado is set to become the first state to use marijuana taxes to fund police efforts to crack down on illegal growing operations. A measure scheduled to be signed into law Thursday, June 8, 2017, sets aside nearly $6 million a year in Colorado marijuana tax revenue to reimburse police for their investigations of black-market marijuana activity. (AP Photo/P. Solomon Banda, File)