chemically produced synthetic stimulant that mimics meth. >> it's an analog of meth loan, a scheduled controlled substance. this can be treated as a scheduled controlled substance. >> it's from the country according to the dea is mfrping and shipping most of the synthetic drugs worldwide. >> from china, mainland china. >> no secret to law enforcement where it comes from and no secret to drug dealers seeking to become entrepreneurs in the new world of designer drugs. >> any laboratory in china if you send them a cast number, it's just a number that's designated to essentially every chemical substance that exists, as long as it is not scheduled, it's called a custom synthesis and will ship it to you. >> carlton who sold the drug that killed elijah stai and christian bjerk said he used the