chemically produced poison swarming the u.s. so when it says it's a collector's item. >> i don't believe it. >> reporter: the black ultra looks like marijuana linked most closely with a known and dangerous compound called xlr 11 a drug made illegal. a schedule one drug in the same law enforcement category as heroin and the website we bought it from says they don't sell banned substances. cayman chemicals company ran the test to compare our purchases to the known drugs and our afghan black ultra had something else, a surprise spike. >> that is the hallucination. >> reporter: added for an added high and the other packages, ocean snow, ivy dove ultra, vanilla sky contained methiopropine. >> it looks like a breath