1. Fingerprints: These are unique impressions left behind on surfaces by the ridges on fingertips. They can be found at crime scenes and on objects, providing valuable identification of individuals.
2. Blood: Blood can be found at crime scenes in various forms, such as spatter, stains, or even as a trace amount on clothing. It can be analyzed to determine blood type, DNA, and other characteristics, helping to identify individuals and reconstruct events.
3. Weapons: Any object used to inflict harm, such as a firearm, knife, or blunt object, can be considered physical evidence. Examining the weapon can reveal its type, function, and even the presence of trace evidence like DNA or fingerprints.
