What type of evidence might include tools or bite marks?

Impression evidence is characterized by any material that displays distinct marks, patterns, or shapes that can be clearly associated with their source. In the case of tools or bite marks, these impressions are left as a result of an item or object coming into contact with another surface, thereby creating a distinct pattern that may link back to the object that made the impression. For example, bite marks can be analyzed to determine the dental patterns of an individual, while tools can leave specific marks that can be traced back to their manufacturer's design. This type of evidence is crucial in forensic science as it helps establish connections between a suspect and a crime scene, as well as assist in identifying the particulars of tools used in a crime.

Other types of evidence, such as biological, documentary, or testimonial evidence, do not focus on physical impressions but rather on aspects such as DNA, written records, or verbal accounts, respectively, which makes impression evidence unique in its ability to directly connect objects through physical markings.