The book explores the interdisciplinary field that merges biochemistry, cell biology, molecular biology, and genetics to unravel the mysteries of biological evidence in forensic investigations. Delving into the core of this dynamic discipline, the book unveils how forensic biological scientists leverage a diverse range of techniques to address complex questions posed by investigative agencies. The book meticulously covers different facets of forensic biology, from uncovering the origins of crucial body fluids to predicting the post-mortem time interval, while deciphering the cause and manner of death to individualizing biological samples. This book consolidates the latest breakthroughs in forensic biology and genetics, embracing both human and non-human DNA analyses, helpful for the forensic biological scientists. Chapters are written by researchers and practitioners from around the world. This book serves as an indispensable resource for investigating officers, forensic scientists, medical practitioners, researchers, and students.