Blood is believed to be the most important evidence recovered from a crime scene. There are several blood analysis techniques that help investigators evaluate crime scenes, including blood type identification, blood spatter patterns, and blood stain characterization.
“Forensic Identification Services: Scenes of Crime Section.” 2005. Toronto Police Service. 12 March 2005.
“Bloodstain Patterns”. Peel Regional Police, 2001. 12 March 2005.
Barnett, Peter. General Criminalistics. Forensic Science Associates. Mar.-Apr. 2005 http://www.fsalab.com/gencrim.htm