All details that could be needed for recollections of the events should be retrievable in the documents.
Photographs, videotaping, and sketching each are important to the documentation process, as well as establishing corpus delicti. Photographing the crime scene(s) should begin before any objects are touched or moved, based on Gross’s theory that once something is moved it can never be returned to the exact location it originated (Buckles, 2007.) These steps are all important for reference of the scene (e.g. blood splatter, weapon location, and position of evidence to everything else.) The collection of the media is an indispensable tool for the investigators. Especially, a reference to the scene is needed later, or if the materials are needed during the trial for visual reference. Media documentation is a keen step in referencing the way the evidence is