Evidence in its broadest sense includes everything that is used to determine or demonstrate the truth of an assertion. Giving or procuring evidence is the process of using those things that are either (a) presumed to be true, or (b) were themselves proven via evidence, to demonstrate an assertion's truth. Evidence is the currency by which one fulfillls the burden of proof.
| Evidence Collection | An example of a police department's guide to collecting evidence. |
| Crime Scene Procedures | A brief explanation on collecting evidence, methods of collection, and chain of custody procedures. |
| Evidence Collection and Preservation | The DNA Initiative provides information on evidence collection and preservation procedures for collecting DNA. |
| U.S. Department of Justice - Guide for Law Enforcement | An in-depth guide for protecting and preserving crime scene evidence provided by the U.S. Department of Justice. |
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| Guidelines for Evidence Submission | , Connecticut Dept of Public Safety, Division of Scientific Services |
| Evidence Packaging Procedures | Illinois State Police Division of Forensic Services |
| Forensic Evidence Handbook | Missouri State Highway Patrol Forensic Laboratory |
| Evidence Handling Manual | Montana State Crime Lab |
| Evidence Field Manual | New Jersey State Police Forensic Sciences |
| Evidence Field Manual Quick Reference Handbook | New Jersey State Police Forensic Sciences |
| Evidence Guide | North Carolina State Bureau of Investigation |
| Physical Evidence Manual | Oregon State Police Forensic Services Division |
| Laboratory Services and Requirements for Submitting Evidence | Rhode Island State Crime Laboratory, services and requirements for submitting evidence. |
| Physical Evidence Handbook | Texas Department of Public Safety Crime Laboratory Service physical evidence handbook. |
| Evidence Handling and Laboratory Capabilities Guide | Virginia Department of Forensic Science evidence handling and laboratory capabilities guide. |
| Physical Evidence Handbook | Wisconsin Department of Justice State Crime Laboratories physical evidence handbook. |
| A Guide for Explosion and Bombing Scene Investigation | Outlines the tasks that should be considered at every explosion scene, focusing on those related to the identification, collection, and preservation of evidence. Consistent collection of quality evidence in bombing cases will result in more successful investigations and prosecutions. This Research Report is designed to apply to highly complex and visible cases as well as those that attract less attention and fewer resources but may be just as complex for the investigator. Discusses procuring equipment and tools, prioritizing initial response efforts, evaluating the scene, documenting the scene, processing evidence at the scene, and completing and recording the scene investigation. |
| Fire and Arson Scene Investigation: A Guide for Public Safety Personnel | Outlines basic procedures for fire scene documentation and evidence collection. This Research Report is aimed at public safety personnel who may not be trained in the specialized aspects of fire scene investigation but may be in the position of having to respond to a fire/arson scene. Specific areas discussed include establishing the role of first responders, evaluating the scene, documenting the scene, processing evidence at the scene, and completing the scene investigation. Appendixes provide sample forms used in fire investigations, additional reading, and sources for further information. |
