Types Of Physical Evidence
Types of Physical Evidence Found at a Crime Scene-Part 1
1. Bodily Fluids- (Blood, semen, and saliva). All suspected blood, semen, or saliva-liquid or dried animal or human-present in a form to suggest in relation to the offense or the people involved in a crime. This includes blood or semen dried onto fabrics or other objects, as well as cigarette butts that contain saliva residue. These substances are subjected to serological and biochemical analysis to determine their identity and possible origin.
2. Documents- Any handwriting and typewriting submitted so that authenticity or source can be determined. Related items include paper ink indented writings, obliterations, and charred documents. Store receipts are sometimes very useful because that can put a person at a location, with date, time, and if you’re lucky that location has video surveillance.
3. Drugs- Any substance seized in violation of laws regulating the sale, manufacture, distribution, and use of drugs.
4. Explosives- Any device containing an explosive charge, as well as all objects removed from the scene of an explosion that is suspected to contain the residues of an explosive.
5. Fibers- Any natural or synthetic fiber whose transfer may be useful in establishing a relationship between objects and/or people.
6. Fingerprints- All prints of this nature, latent and visible.
7. Firearms and ammunition- Any firearm, as well as discharged or intact ammunition, suspected of being involved in a criminal offense.
8. Glass- Any glass particle or fragment that may have been transferred to a person or object involved in a crime.
9. Hair- Any animal or human hairs present that could link a person with a crime.
10. Impressions- Tire markings, shoe prints, depressions in soft soils, and all other forms of tracks. Glove and other fabric impressions, as well as bite marks in skin or foodstuff, are also included.
11. Organs and physiological fluids- Body organs and fluids are submitted for toxicology to
1. Bodily Fluids- (Blood, semen, and saliva). All suspected blood, semen, or saliva-liquid or dried animal or human-present in a form to suggest in relation to the offense or the people involved in a crime. This includes blood or semen dried onto fabrics or other objects, as well as cigarette butts that contain saliva residue. These substances are subjected to serological and biochemical analysis to determine their identity and possible origin.
2. Documents- Any handwriting and typewriting submitted so that authenticity or source can be determined. Related items include paper ink indented writings, obliterations, and charred documents. Store receipts are sometimes very useful because that can put a person at a location, with date, time, and if you’re lucky that location has video surveillance.
3. Drugs- Any substance seized in violation of laws regulating the sale, manufacture, distribution, and use of drugs.
4. Explosives- Any device containing an explosive charge, as well as all objects removed from the scene of an explosion that is suspected to contain the residues of an explosive.
5. Fibers- Any natural or synthetic fiber whose transfer may be useful in establishing a relationship between objects and/or people.
6. Fingerprints- All prints of this nature, latent and visible.
7. Firearms and ammunition- Any firearm, as well as discharged or intact ammunition, suspected of being involved in a criminal offense.
8. Glass- Any glass particle or fragment that may have been transferred to a person or object involved in a crime.
9. Hair- Any animal or human hairs present that could link a person with a crime.
10. Impressions- Tire markings, shoe prints, depressions in soft soils, and all other forms of tracks. Glove and other fabric impressions, as well as bite marks in skin or foodstuff, are also included.
11. Organs and physiological fluids- Body organs and fluids are submitted for toxicology to