This book covers the fundamental aspects of forensic genetics and the recent advancement of this discipline. It has been written most simply and perfectly, given the basic knowledge about genetics, and explains the fundamental concepts and techniques which are applied for the analysis of biological evidence. So that everyone can easily understand while reading this book and will give the readers an idea of the relationship between forensic and genetics with different applications in criminal justice systems. Over the three decades, the field of forensic genetics has been further revolutionized by a variety of novel molecular innovations, allowing exceptional molecular changes to be made to living organisms for a better future.