Blood, saliva, semen, and urine are among the most important biological evidences in crime scene investigation. But spotting traces of these substances with the naked eye can be troublesome, which is why forensic light sources will always have a special place in just about any investigation. Biological evidences can be detected by light sources due
Crime scene reconstruction is a favourite of CSI-type television shows. After all, most people like a good “whodunnit”. And finding out who did it usually starts with finding out what happened. Here we’ll introduce you to blood spatter analysis, and see how it can help forensic investigators go back in time to unearth a few very important clues.
Reports of lifeless bodies turning up are a sad recurring theme in South Africa’s newspapers: from the Oscar Pistorius case, to the more recent “axe murders” of the van Breda family, and the even more recent discovery of the body of a young woman on the mountains above Kalk Bay. An element of forensic investigation is present in all these cases, and busies itself with the answering of a few important questions: the who, and determining what happened – to name but two.