What is the significance of the 'as-is' photos taken at a crime scene?

The significance of 'as-is' photos taken at a crime scene primarily lies in capturing the scene in its original state before any evidence markers or other objects are introduced. This is crucial for preserving the integrity of the scene as it was first discovered by law enforcement. These photos can help recreate the context of the crime, showing the location of evidence and other critical elements that may be altered or moved as the investigation progresses. By documenting the scene as it appears at the outset, these images serve as a vital reference for investigators and provide a baseline for further analysis, reinforcing the procedural standards of evidence handling and reporting in criminal investigations.