Criminal Analyses is whole investigations made to reach the criminal or to reveal the crime in the event of a crime. When this process is completed successfully, the suspicious event is clarified. According to this, the person or persons who committed the crime are punished by the authorized units and this person or persons who have the potential to commit a crime again are prevented from contacting civilians or the society directly. In the criminal investigation’s first stage, the area where the incident happened is taken under protection. Evidence that may be useful in clarifying the incident is preserved by the teams. In order to decipher the perpetrator of the incident, witness statements and evidence left behind by the criminal are collected in the area where the incident happened. These evidences are subjected to various scientific researches within the scope of positive sciences by experts in their fields according to their types. As a result of the examination made with scientific tools and methods, the identity of the perpetrator of the incident can be determined and the crime phenomenon is proven. Criminal analysis serves the judiciary to a great extent in clarifying a suspicious incident and its purpose is to reach the true crime and criminal in the light of scientific methods.

In the event of a crime situation, all stages from the police securing the crime scene to the evaluation and presentation of the evidence to the judiciary are the stages of criminal analysis. All these stages should be completed carefully, in accordance with procedures.

Criminal Analyses cases can occur in different contexts. Apart from crimes that occur in the physical context and end up with death or injury, many crimes such as scientific crimes, forgery of documents, theft cases can be mentioned. The crime committed is subject to investigation in different ways in terms of the area where it occurred. Then, the teams examine correspondence, images and sounds, camera recordings, data collected from base stations and computers within the scope of cybercrimes. In order to clarify forgery of documents, writing and signature examinations are made after these examinations it must be verified by the relevant institutions whether the document is forged or not. To clarify traffic accidents, damage and defect determinations are made, records are collected and license plate determination is made. Ballistics investigation specifically covers the investigation of murder and injury cases. After the collected evidence is subjected to ballistic examination, the weapons and bullets used are determined. In order to clarify financial crimes, the crime can be proved by conducting investigations such as bank account movements in order to detect fraud. Tax crimes are also handled and analyzed within the scope of financial crimes.