Crime scene evidence refers to evidence found in the scene where the crime was committed. This is usually gathered and preserved by law enforcers specifically those assigned in the crime scene operations department.
A crime scene is the place where an illegal act occurred or where the crime may be found. This is classified into the primary, secondary and tertiary. It is here where investigators and sometimes forensic experts retrieve various types of evidence.
Crime scene investigators utilize different methods in collecting evidence at the place where the crime took place. They need to be careful when handling important evidence and this is normally done with the use of gloves and thongs to ensure that finger prints are not left on the pieces of evidence. Most importantly, they are tasked to make a thorough search within the boundaries of the crime scene to gather as much evidence as possible.
Vital evidence that law enforcers commonly look for are blood stains, hair, fibers and threads, glass, paint, seminal stains, firearms, gunshot residues, glass fragments, flammable liquids, soil, shoe and tire impressions, controlled substances, fingerprints and documents. Crime scene investigators follow certain guidelines in the performance of their duties to ensure that all evidence are well preserved during the investigation and even after the investigation has ended.
Evidences are important in solving crimes. When put together, they can help investigators determine the way the crime was committed, how many people were involved, what type of handgun was used if no weapon was found on the crime scene and the possible motive behind the crime.