DNA database and it's importance

DNA database has had the most significant impact on the criminal justice system in recent years. DNA database has shown that it is a valuable and important tool during the investigation. Their effectiveness continues to grow as database gets larger and larger. DNA database can be used to find suspects in a variety of violent crimes. An important/significant role that DNA database has is to make associations between different unsolved or cold cases. DNA databases are effective because most of the crimes are committed by people with previous criminal records. The DNA database also plays an important role to identify missing person, and aiding disaster reconstruction following a plane crash or terrorist attack, etc. Therefore, many countries around the world have started to create database of missing persons.