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首页> 美国政府科技报告 >Audit of Compliance with Standards Governing Combined DNA Index System Activities at the Prince George's County Police Department Crime Laboratory Prince George's County, Maryland
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Audit of Compliance with Standards Governing Combined DNA Index System Activities at the Prince George's County Police Department Crime Laboratory Prince George's County, Maryland

机译：审查遵守乔治王子县警察局犯罪实验室联合DNa指数系统活动的标准，马里兰州乔治王子县

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The Federal Bureau of Investigations (FBI) CODIS program combines forensic science and computer technology to provide an investigative tool to federal, state, and local crime laboratories in the United States, as well as those from select international law enforcement agencies. The CODIS program allows these crime laboratories to compare and match DNA profiles electronically, to assist law enforcement in solving crimes and identify missing or unidentified persons. The FBIs CODIS Unit manages CODIS, as well as develops, supports, and provides the program to crime laboratories to foster the exchange and comparison of forensic DNA evidence. The FBI implemented CODIS as a distributed database with hierarchical levels that enable federal, state, and local crime laboratories to compare DNA profiles electronically. The hierarchy consists of three distinct levels that flow upward from the local level to the state level and then, if allowable, the national level. National DNA Index System (NDIS), the highest level in the hierarchy, is managed by the FBI as the nations DNA database containing DNA profiles uploaded by law enforcement agencies across the United States. NDIS enables the laboratories participating in the CODIS program to electronically compare DNA profiles on a national level. The State DNA Index System (SDIS) is used at the state level to serve as a states DNA database containing DNA profiles from local laboratories and state offenders. The Local DNA Index System (LDIS) is used by local laboratories.

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