This book is about the most commonly found body fluids found at crime scene, forensic examination of body fluids using various presumptive and confirmatory tests. Emerging techniques of body fluid analysis is also discussed in great details. Body fluids such as blood, semen, saliva, tears, menstrual blood etc. are most commonly found at crime scene and play an important role in identifying the victim and or suspect. The body fluid can be used to determine the origin of species, individualization as well as narrowing down the suspects thought to be involved with the crime.