Forensic science is an area that has received a great deal of attention in recent times. Forensic science has now become one of the leading tools used during criminal investigations. Forensics makes it possible to discern a great deal of information about what has happened at a particular crime scene. The accuracy of forensic science makes it possible for a great amount of detail to be understood, simply by studying the crime scene.
Using forensic evidence, it is possible to pick up clues about the individual or individuals involved in a crime. These people will almost always leave behind some evidence that links them to the crimes that have been committed. This evidence may be as small as that of a hair or a small chip of skin or nail tissue. In many cases, an area will be investigated even if it is not the scene of the final crime. This area may be investigated to check for signs of trouble such as marks that might indicate that a struggle has taken place. One important thing to do is to check the area for blood stains. Blood stains are crucial from many points of view. The blood found at a crime scene can be analyzed for its makeup to determine who it belongs to. Blood from a crime scene may also be analyzed to check spatter patterns when the crime concerned involves a violent force or a gun shot. This can help investigators piece together the events that have unfolded during a crime.
The forensic test for blood is conducted to highlight an area of blood, even one which may have been cleaned. Blood may leave some residue in this area and this will become visible using a forensic test for blood. A forensic test for blood is usually conducted using some sort of reactive chemical that changes color when it comes into contact with blood. While this type of forensic test for blood is not completely accurate, it is used because of its ease of application and rapid result generation. In all cases where suspected blood has been detected, the sample can be retested using more stringent testing methods. One may also conduct a forensic test for blood which reveals results under an ultraviolet or fluorescent light. These types of forensic review for blood need to be conducted in a darkened room. The presence of blood spatter is often discovered using this type of forensic exam for blood.