Criminal investigation what is it

×Criminal investigation is a process of collecting information (or evidence) about a crime. It involves the study of factsand the use of various methodsto determine if a crime has been committed, identify and apprehend the perpetrator, and support a conviction in court. Criminal investigation can be conducted by any government entityor by professional criminal investigatorswho work for law enforcement agencies or as private investigators.,A criminal investigation is an undertaking that seeks, collects, and gathers evidence of a crime for a case or specific purpose. A criminal investigator looks for clues and evidence to determine whether a crime has taken place.Criminal investigation is an applied science that involves the study of facts that are then used to inform criminal trials. A complete criminal investigation can include searching, interviews, interrogations, evidence collection and preservation, and various methods of investigation. Applied to the criminal realm, a criminal investigation refers to the process of collecting information (or evidence) about a crime in order to: (1) determine if a crime has been committed; (2) identify the perpetrator; (3) apprehend the perpetrator; and (4) provide evidence to support a conviction in court.A criminal investigation occurs when a crime has been committed and a government entity gathers and examines evidence, interviews victims and witnesses, and explores potential suspects. Any government entity can conduct a criminal investigation.A criminal investigator is a person who is educated and trained to investigate crimes, crime scenes and criminal activity. They often work for state and federal law enforcement agencies. There are some professional criminal investigators who engage in private investigation.