The Expert Witness

Drugs and poisons from a variety of sources have been used illegally for centuries and most conjure up an unfortunate, enduring fascination. People appear to be both attracted by them and at the same time repelled by them. As a forensic toxicologist, William Allender has been called to give expert witness evidence in a number of very high profile cases involving drug overdoses and poisons (including pesticides), in which those substances have been used in suicides and murder.