CRJS471IP3 Research Paper Example | Topics and Well Written Essays - 750 words

CRJS471IP3 - Research Paper Example If the dried blood is on small objects, the whole object should be sent to the laboratory after being packed and labeled. However, if the stains are on large objects or on the floor, they must be covered with clean paper and edges should be sealed with tape. If the object is too big to take to the laboratory or the stains are on the floor, the stains must be scrapped onto a clean paper, which is to be folded and packed in an envelope. The stains must not be scrapped directly in an envelope; they must be scrapped using knives that are freshly washed and dried, or any other similar tool. Dried stains must not be mixed together; they should be kept separately in different envelopes and must not be wiped using wet cloth. Blood stains can be immensely helpful in criminal investigations as modern tests help to specify one person from millions. Forensic scientists may carry out DNA tests, ABO blood types, and many others to find out the exact person (Ian, 2010). If a handgun is found at the crime scene, it should never be submitted directly to the laboratory. Loaded guns must be submitted in person and unfired cartridges should be left in the magazine of the gun when the magazine is removed from it. A handgun with the cartridge must never be shipped or delivered through any method. The bore or the chamber must not be cleaned before submitting, nor should it be attempted to fire. The serial number, model, make, and caliber must be recorded and marked on it. Marking the weapons is an important part as it saves the guns from mixing up with others of the same models but different crime scenes. Handguns must be packed in wooden or cardboard boxes. Blood stains or fingerprints can be present on the weapon which can be tested find out the criminals or people present at the crime scene. Shotguns and rifles, and other types of weapons must be separated from one another and sent separately to laboratories. If there are blood stains, they should be covered with