The Process A criminal investigation is a mystery that needs to be solved and is up to law enforcement officials to solve once it has been established that a crime has been committed. These steps include: Ensuring the officer’s personal safety and that of any fellow officers, victims, suspects, and witnesses. 7 steps of Crime Scene Investigation. Police Investigations: The Crime Scene. Only after these duties are performed can analysis of the scene begin. Still, these seven steps of a crime scene investigation remain no matter where or what the crime. Learn. Step 1 – Immediate action. Write. Now more than ever, the scene of a crime must always be properly managed and investigated in the best possible manner. Step 1 – Immediate action. A six-step, structured approach to incident investigation (Fig 1) helps to ensure that all the causes are uncovered and addressed by appropriate actions. 6. search for evidence. In the event of an incident, immediate action to be taken may include making the area safe, preserving the scene and notifying relevant parties. So how do the police investigate crimes? Indoor, outdoor and conveyance crime scenes all have unique aspects to consider. Created by. Crime scene examination is complex. Evidence is packaged, sealed and labeled 2. The first officer to arrive at a crime scene must take certain steps to preserve life and evidence. STUDY. Next person opens sealed bag at a different location 3. performs their examination 4. CHAPTER Crime-Scene Investigation and Evidence Collection 2 The 1996 homicide investiga-tion of six-year-old JonBenet Ramsey provides valuable les-sons in proper crime-scene investigation procedures. What are the first steps of a homicide investigation?When we think of CSI or forensic science, the first thing that comes to mind is a bloody crime scene or murderous serial killers, but homicides may only make up an extremely small percentage of the crimes a CSI will investigate. Crime scene investigation is the beginning point for the successful use of physical evidence by the forensic laboratory and the criminal investigator. 2. separate the witnesses. Read on to learn more about the basic police investigation steps that are used to build a criminal case. Spell. 4. seeing the scene (taking photographs) 5. sketch the scene. Key forensic evidence can be lost forever without a secure crime scene. PLAY. Read on to learn more about the basic police investigation steps that are used to build a criminal case. Police Investigations: The Crime Scene. In the event of an incident, immediate action to be taken may include making the area safe, preserving the scene … The steps presented on these Web pages are a guide to recommended practices for crime scene investigation. So how do the police investigate crimes? Match. Crime Scene Investigation > Seven Steps to CSI: Steps involving Crime Scene Investigation: 1. During this phase of a criminal investigation, items at the scene are found, collected and analyzed preliminarily in order to determine how a crime was committed. Flashcards. As soon as the police receive a call that a crime has been committed or is in progress, they send officers to the scene. Gravity. Offering first aid to any injured persons […] 3. scan the scene. How officers approach the crime scene of a burglary differs from that of a homicide. To accomplish this, crime scene … 7. secure the collected evidence. Offering first aid to any injured persons […] Repackages evidence in original packaging 5. seals it in a new evidence bag 6. signs the sealed bag & the chain of custody log. Criminal investigation is important in the justice field because it brings criminals who commit these crimes to justice and gives rest to the family of the victim. Crime scene investigation is the first step in the use of forensic evidence to solve a crime. The first officer to arrive at a crime scene must take certain steps to preserve life and evidence. Without a defined process, whoever is assigned to investigate will be forced to develop a process as he or she proceeds. YOU MIGHT ALSO LIKE... ch.3 31 Terms. Crime scene investigation is the beginning point for the successful use of physical evidence by the forensic laboratory and the criminal investigator. These steps include: Ensuring the officer’s personal safety and that of any fellow officers, victims, suspects, and witnesses. cluv616. 7 Steps of a Crime Scene Investigation. As soon as the police receive a call that a crime has been committed or is in progress, they send officers to the scene. Principles of Crime Scene Investigation The"key"principle"underlying"crime"scene"investigationis"a"concept"that"has" become"knownas" Locard’s)Exchange)Principle .Itstatesthatwhenever" karenhuynh. It is part of an investigator’s responsibility to articulate their resource requirement to managers.