* DNA - DNA can be collected from blood samples or blood spatter and compared to the national DNA database where matches can be found. * Fingerprints - scraping debris from under the nail beds can sometimes contain relevant DNA. Other forms of forensic identification include: All evidence collected is vital in proving guilt or innocence. The forensic scientist assists the pathologist by determining the blood type, DNA profile, identifying other samples such as hair, fibres, semen, and any other substances found on the body, which may have been deposited by the assailant. With the help of the police and a pathologist (a scientist who is skilled in identifying the cause and progress of diseases by examining tissue and fluid from the body.Įspecially one who determines the cause of someone's death by conducting an autopsy), together they investigate the cause of death with suspicious circumstances.

More cases solved, criminals will no doubt think twice about crime unless they want to get caught. In turn moving on to other cases, spending less time on each case but still providing the same outcome. It certainly is a tool most useful in crime prevention and detection and in time will save the police a lot of time on cases trying to piece together all the evidence when specialist forensic teams can speed up this process through experience and knowledge. They are not there to find the assailant but to collate any evidence from a crime scene, which is vital to naming the perpetrator. All the information is collected and placed on various databases stored for future reference.Ī forensic investigator must be impartial and assume no one is guilty unless the evidence states otherwise.

This allows police and other agencies to compare similar cases and possibly find links to previous unsolved cases. Order custom essay What is forensic science?Ĭollating information obtained from other crime scenes and producing a database for cross-reference is a major break-through.