This book is written after compilation of research articles published in reputable International journals. Aim of this publication is to introduce the newly developed method for reliable detection of cyanide using very economical colorimetric procedure which is free from matrix interference (Chapter 1). Chapter 2 of this book is related to the selection and performance of the toxicological procedure for exhumed samples. Pros and cons of common screening methods and modern techniques are compared. Findings of the results were supported by case studies as well. Chapters of this book contain the current toxicological procedures for low budget forensic laboratories.