Education and training for being a crime scene investigator is very important. It forms the platform on which the building of crime investigator career has to stand.one who has gone through the training sincerely always proves to be a better and more successful crime investigator as he has properly learn to deal with difficult situation.
Crime situations are not always same it is always different and a crime investigator has to think according to that situation and take actions accordingly. There might be a situation in which the criminal is just there and also confesses his crime; sometime crime investigator also saves people lives. They rescue the people really needing help. You can try online sources likehttp://www.crimesceneinvestigatoredus.org to know more about crime scene investigator.
Crime scene investigation is not an easy job it requires lots of training and persistence sometime they have to fight with some useless and stupid people. They get injured and might have to lose their lives. They have to be prepared for all such things that could happen.
Evidences plays major role in investigating a crime scene without evidences the case is going to go nowhere and the culprits will never be caught. Evidences play as the key to success to investigate a crime scene. Witness is as important as evidences in crime scene investigation.