Taking a close look at why forensic tox is so complicated and takes weeks to months to complete.

Unlike other medical tests, where technicians isolate a specific compound like cholesterol, Middleberg says that you don’t always know what you’re looking for with forensic toxicology. “If you have a young person who is found dead in bed and there’s no history of drug abuse, you’re looking for the proverbial needle in a haystack,” he tells Quartz.

Full article from Quartz