What are the basic steps in a Crime Scene Investigation?

The basic steps in a Crime Scene Investigation include the preliminary investigation and reconstructing the crime and scene because these elements lay the groundwork for a thorough analysis of the incident. The preliminary investigation involves securing the scene, ensuring that no evidence is contaminated or lost, documenting the scene through photographs, sketches, and notes, and collecting pertinent information from witnesses and victims. This initial stage is crucial as it sets the stage for understanding the context of the crime.

Reconstructing the crime and the scene helps investigators piece together the sequence of events, identify potential suspects, and determine how the crime was committed. This process is integral for forming a narrative that can be communicated during court proceedings and assists in guiding the investigation's focus.

While other options touch on important aspects related to crime scene management and legal procedures, they do not encapsulate the foundational investigative steps that are critical for a successful crime scene investigation. For example, interviewing witnesses and analyzing suspects are part of the investigative process but come after the initial scene evaluation. Similarly, establishing jurisdiction and obtaining warrants pertain to the legal side of investigations, which also plays a crucial role but is not at the core of the crime scene investigation steps.