ABC Forensic Science
The ABC Science part of the ABC website has some amazing information.
Forensic Science BLOG – Forensic Toxicology
Excellent site as entry point into an explanation with illustrations.
Forensic Toxicology
Forensic toxicology deals with the investigation of toxic substances, environmental chemicals or poisonous products.
Forensic Toxicology An overview from Toxicology Guide
Dr Linda Glowacki and Dr Jochen Beyer from the Victorian Institute of Forensic Medicine