DNA Profiles Used In Crime Investigation

There are many examplesd of DNA profiles can be used for something in a crime investigation such as blood, semen, saliva, urine, feces, hair, teeth, bone, tissue and cells. Two of the most important examples of DNA profiles can help the crime investigation uses a swab to collect the blood from a crime scene that left behind and a cigarette butt found at a crime scene may contain valuable DNA material in the dried saliva. Therefore, these known samples are called reference samples. In some of the jurisdictions, a DNA profiles is routinely taken from an arrestee during the process of booking and fingerprinting. So the DNA profile was used to identify the perpetrator.