As you entered the crime scene and began the investigation, you found

Return to the scenario provided. As you entered the crime scene and began the investigation, you found castoff on the wall behind the deceased. The castoff contains three distinct lines on the wall.

Using the principles of the scientific method and the interrelationship of the seven steps detailed in your text, describe what the castoff tells us about the scene. Include examples of castoff interpretation and how this may assist in recreating the scene.