Forensic toxicologists employ a large number of analytical techniques to determine which drugs or poisons are relevant to an investigation; A laboratory's ability to perform routine toxicology analyzes varies depending on the equipment, technical capabilities, and experience of the analyst. If necessary, there are specialized toxicology laboratories that can test for almost any potential toxin or metabolite in almost any type of postmortem sample. A laboratory must be accredited to carry out the analytical work and must be subject to regular inspections. This will ensure that laboratories can reproduce accurate and reliable results for investigations. All laboratory tests follow standard operating procedures, results are confirmed to be within standards, and reported results are reviewed by a second toxicologist before being released. Despite this, we still use the methods used by Gettler in his