1. Chapter 22: The DNA Databases

2.  Developed to assist in solving violent crimes by creating a network for the exchange of information  Compare DNA profiles electronically  National DNA Database (NDNAD)  Combined DNA Index System (CODIS) Forensic Biology by Richard Li2

3.  U.K.  World’s First-1995  Largest number of profiles in proportion to the population  Indexes  Crime Scene Samples  Offender Samples Forensic Biology by Richard Li3

4.  Entries  Anyone arrested and detained in connection with a recordable offense  Feb. 2006  3.4 million offender profiles  290, 000 crime scene profiles Forensic Biology by Richard Li4

5.  U.S.  1998  All 50 states participate  Infrastructure:  Local DNA Index (LDIS)  State DNA Index (SDIS)  National DNA Index (NDIS) Forensic Biology by Richard Li5

6.  Indexes  Forensic Index (crime scenes)  Offender Index  Entries  4.5 million profiles of convicted felons  170,000 forensic profiles  1.5% proportion of the population  RFLP & PCR-based profiles Forensic Biology by Richard Li6

7.  Hit- match made database  CODIS 48,500 (April 2007)  Investigation Aided  CODIS 49,400 (April 2007)  NDNAD 721,495 (Feb. 2006)  Ultimate Goal Forensic Biology by Richard Li7 TO SOLVE CRIMES

8.  Case-to-case searching  Case-to-offender searching  Familial searching  Used in U.K. Forensic Biology by Richard Li8

9.  Entry criteria  Retention of samples Forensic Biology by Richard Li9