forensic
Using science to investigate crimes or legal problems.
Forensic means using scientific methods to investigate crimes and solve legal questions. When detectives find fingerprints at a crime scene, forensic scientists analyze them in laboratories to identify who might have been there. When investigators need to determine what caused a fire, forensic experts examine the burned building for clues about whether it was an accident or arson.
Today, forensic work combines many sciences: forensic biologists study blood and DNA, forensic chemists analyze mysterious substances, and forensic psychologists help investigators understand criminal behavior. You might have seen forensic investigators on television shows carefully collecting evidence at crime scenes, though real forensic work is usually slower and more methodical than TV suggests.
The term also applies beyond criminal cases. Forensic accountants track down financial fraud by examining business records. Forensic engineers investigate why buildings collapsed or bridges failed. Whenever someone uses scientific methods to answer legal questions or investigate what really happened, that's forensic work. The key idea is applying careful, systematic investigation to establish facts that might be used in court or to solve important mysteries.