Origins
CODIS was an outgrowth of the Technical Working Group on DNA Analysis Methods (TWGDAM, now SWGDAM) which developed guidelines for standards of practice in the United States and Canadian crime laboratories as they began DNA testing in the late 1980s.
TWGDAM was sponsored by the FBI Laboratory which hosted several scientific meetings a year at Quantico, Virginia, to accelerate development of laboratory guidelines and peer-reviewed papers to support forensic DNA testing which was, to some, an unproven forensic tool. TWGDAM completed a white paper in October 1989 which provided conceptual and operational concepts for a Combined DNA Index System to share DNA profiles among crime laboratories similarly to automated fingerprint identification which had become commonplace in law enforcement during the 1980s.
The FBI Laboratory began a pilot project with six state and local crime laboratories to develop software to support each laboratory's DNA testing and allow sharing of DNA profiles with other crime laboratories.
The DNA Identification Act of 1994 formally authorized the FBI to operate CODIS and set national standards for forensic DNA testing. The TWGDAM guidelines served as interim standards until recommendations were provided by a DNA Advisory Board required under the Act. Although the Act was passed in 1994, CODIS did not become fully operational until 1998.
Read more about this topic: Combined DNA Index System
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