Identification of Blood

One of the most important types of biological evidence that can be obtained for forensic investigation is blood. Because of the probability of a mixture of body fluids or other types of fluids can be present which resemble blood on items therefore conclusive human blood analysis is required in many cases, thus this chapter covers the composition, presumptive, and confirmatory assays for blood identification found at the crime scene. In order for justice to prevail, forensic investigators and scientists must be able to obtain accurate and complete results of the evidence at hand, as well as ensure that the integrity of the evidence has not been compromised.