Which type of bloodstain is typically left from a cleaning surface interacting with blood?

The type of bloodstain that is typically left when a cleaning surface interacts with blood is known as a wipe. This occurs when an object comes into contact with a bloodstain, effectively smearing it and resulting in a pattern that often resembles the motion of the cleaning action. A wipe can indicate that a surface has been cleaned or disturbed after the blood was deposited.

In contrast, a swipe occurs when a clean object comes into contact with a bloodstain, transferring blood from the original surface to the new surface. Pooled blood refers to blood that collects in one location, often from gravity, and does not involve interaction with cleaning surfaces. Castoff blood results from blood being flung from an object, such as a weapon, during a movement.

Understanding the characteristics of these different types of bloodstains is crucial for forensic analysis and crime scene investigation, as they can provide insights into what occurred in a particular scenario.