The Advent wreath is a circular garland of evergreen branches representing eternity. On that wreath, five candles are typically arranged. During the season of Advent, one candle on the wreath is lit each Sunday as a part of the Advent services.
Combined DNA Index System. The Combined DNA Index System (CODIS) is the United States national DNA database created and maintained by the Federal Bureau of Investigation.
The success of the CODIS program is demonstrated by its ability to match DNA evidence samples to convicted offenders or other forensic samples in the database. On average, approximately 70 investigative leads are generated monthly by the CODIS program.