Today, someone who wants to become a police officer need not be all day on the streets in search of information. The computers used in patrol and workshops and help to solve many crimes. For example, systems reconstruction persons can turn a skull in a final digital image of a person, giving researchers the opportunity to have a much more rapid progress in the identification of victims.
A technique utilized today by police, uses computers to make searches in a large number of databases on the Internet. Databases held by the civil protection services enable officers to analyze a huge amount of information and find similarities in crimes, to identify patterns that could reveal during serial crimes. The electronic forensics analyzes computer systems with specific techniques in an attempt to collect evidence. For example, the Steven Zirko was convicted of two murders in Chicago and his conviction was based on evidence brought to light the work of electronic forensics. Researchers electronic forensics trained by the FBI examined the computer and found Zirko searches for terms such as find a performer and GHB, the narcotic of rape. The Zirko also used the computer to find the daily schedule of two children of the victim in order to learn how it could reach the house. In many cases, records, videos and conversations made with the use of a computer can be recovered by forensic experts and used as evidence of criminal activity.
