synthetic drugs but the manufacturers have stayed one step ahead of the law by constantly altering the chemical composition. >> once they alter the chemical, it's no longer controlled substance. >> reporter: so it's a game? >> it is. >> reporter: every time, even the hint of a regulation comes for a particular chemical compound, they are already developing the next mode? >> these chemical companies have a new chemical compound ready to take the place of the drugs we control. >> reporter: is there any legitimate industry l purposes? >> we're not aware. >> reporter: which brings us to our online purchase of the synthetic drugs we sent to a chemical lab in ann arbor, michigan. our packages of afghan black ultra, ivy dove and ocean snow were tested and all of them

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