Answer: Multiple forms of documentation are used at the scene of a mysterious death, it gives the summary of the investigation at a glance.
Some of these forms of documentation are Note taking, Sketching, Photography or Videography.
NOTE TAKING; Field notes are always personal to the person that made/took them,
They are the most personal and readily available record of the crime scene search.
Field notes are the most important steps in documenting a crime scene initially.
SKETCHING; Sketching,as unimportant as it may seem has a potential benefit of complementing photograph and videos and also,crime scene sketch shows certain details about an investigation better more than a photograph.
PHOTOGRAPHY/VIDEOGRAPHY; Photographs and videos are excellent sources of evidence of a crime,they are good evidence to document a crime scene.
They can either be in the form of film or digital format.
It is always adviceable to employ digital photography/videography as it fast becoming a standard in crime scene documentation rapidly.