MICROANATOMY

Detailed explanation-1: -Blood spatter analysts must take into account the surface as well as the trajectory of the blood in order to determine the facts of the crime scene. 5. BPA is perhaps most often used to confirm or refute the statements of witnesses or suspects present at the commission of a crime.

Detailed explanation-2: -Blood spatter can help determine the type of weapon because the higher the velocity of the weapon the smaller the blood droplets. For example blood from a gunshot wound sprays out in a fine mist, while a wound caused by being struck with a pipe will cause larger drops.

Detailed explanation-3: -Stringing, Sine and Spatter Shapes. To analyze a bloodstain pattern, an expert relies on three main interrelated elements: the size, shape and distribution of bloodstains. Since we’ve already discussed stain size, let’s dive right into shape.