I have reviewed chemical evidence in over 50 cases involving clandestine drug manufacture and possession of drugs such as meth, amphetamine, MDMA, LSD, benzodiazepines and synthetic cannabinoids and found significant analytical errors, faulty assumptions by forensic chemists and examples of false positives in many of these cases.  My assistance has helped many public defenders get better results for their clients in these cases. I look forward to being of assistance to you in your case, too.