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click here for article on CODIS eligibility
CODIS is an acronym for the Combined DNA Indexing System.
Upon entry into CODIS a DNA profile may be compared to DNA profiles obtained from Crime Laboratories across the country for potential matches. This exchange of information allows a DNA profile from one crime scene to be linked to a separate crime scene in a different jurisdiction. Additionally, CODIS eligible DNA profiles will also be compared to DNA profiles obtained from individuals convicted of qualifying offenses.
A DNA profile becomes CODIS eligible when it is obtained from biological material collected from a crime scene and is attributable to a presumed perpetrator. To assist the laboratory in determining whether a submitted item may be eligible for CODIS, the laboratory requests that submitting agencies provide a specific description of where the item was collected and to whom the item belongs if known.