Chapter 16

Testing for Drugs and Poisons: The Toxicology Lab

IN THIS CHAPTER

Bullet Looking into the field of toxicology

Bullet Analyzing toxins

Bullet Applying test results to forensic problems

Bullet Understanding common drugs and poisons

During the millennia since Socrates drank the hemlock that killed him, lethal use of poisons has waned a bit, in part because scientists now know how to trace poisons to those who use them for nefarious purposes. From taking arsenic to overdosing on heroin to drinking too much water (I kid you not), poisoning deaths nowadays are the realm of the toxicologist, who has become a critical component of today’s crime labs. Drugs and poisons of all types often are involved in harmful accidents and accidental, suicidal, and homicidal deaths, and they may even be contributory factors in many natural deaths.

Understanding Poisons

Have you ever taken a poison? I bet your answer is, “Of course not!” But you’re wrong. You take poisons every day. In fact, you have to take poisons to live. Don’t believe me? Try not to drink any water. Try not to breathe.

You see, anything can be a poison. ...

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