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Chain of custody (CoC), in legal contexts, is the chronological documentation or paper trail that records the sequence of custody, control, transfer, analysis, and disposition of materials, including physical or electronic evidence.
Assign one or more data points to a barcode format; read and extract information from a barcode Chain of custody Assign roles and groups that dictate access to specific data records and who is managing them Compliance Follow regulatory standards that affect the laboratory Customer relationship management
Evidence.com is a cloud-based digital evidence management system that allows law enforcement agencies to manage, review, and share digital evidence, particularly video evidence captured with Axon-branded cameras. [12] It includes an automated redaction tool, audit trails for chain of custody purposes, and integrated evidence sharing features. [45]
The reduction in the handling of the original evidence lessens the likelihood of deliberate tampering or accidental contamination and reduces chain of custody requirements and overheads. While the chain of custody stops with the presentation, accountability and responsibility remain until the evidence is disposed of.
A complete record of all activities associated with the acquisition and handling of the original data and any copies of the original data must be maintained. This includes compliance with the appropriate rules of evidence, such as maintaining a chain of custody record, and verification processes such as hashing.
Accurate documentation also helps preserve the chain of custody for the evidence collected; it accounts for a detailed record of who has had access to the evidence, and the exact times and locations of when the evidence was moved and for what reason. It basically provides a step-by-step ranging from the time of collection to the court hearings.
Data collection systems are an end-product of software development. Identifying and categorizing software or a software sub-system as having aspects of, or as actually being a "Data collection system" is very important. This categorization allows encyclopedic knowledge to be gathered and applied in the design and implementation of future systems.
When a sample is located at a crime scene, it must be collected, processed, and transported, along with a chain of custody, to the laboratory for analysis, so that if a DNA profile is generated it can be accepted in court. Proper evidence collection and preservation is crucial to ensure evidence is not being contaminated.