1. A.F.I.S. Automated Fingerprint Identification System Glenn Langenburg Forensic Scientist Latent Print Examiner Minnesota Bureau of Criminal Apprehension

2. Real Life v. Fantasy

3. Classification l Loops~ 60% l Whorls~ 35% l Arches~ 05%

4. A.F.I.S. l Automated Fingerprint Identification System

5. A.F.I.S. l Automated Fingerprint Identification System 01010100101010101010100101010110111010101010101010101010 10101011100010111111010101010101010101010001001001010100 10101011101010100101101111110101010101010101010101010101 00010010100100000101010100011011101011010101011010101010 10101010101010010010010010100101010100101010101010010101 01010100101010100101010010111101010100010010010010010100 10100100010101000101001010101010100101101010101010101000 01010101010010100101010010000100010111010010101000010100 00100001011110100100101001001001111000101010101010001000 11110100101010101010010000101110001010010010001010101010 10101001010101010101010010101010101010101010111101010101 l Searches via a mathematical algorithm

6. Latent Entry

10. M.A.F.I.N. l Midwest Automated Fingerprint Identification Network l Minnesota, North Dakota, South Dakota l Criminal histories only!

11. General Functions l Criminal history check » 10 print card l Civil background check » 10 print card l Latent fingerprint search » Small distorted portion vs. 10 print card

12. I.A.F.I.S. l Integrated AFIS system l Request to build in 1991 l Approx. 40 million FP cards l Online August 1999 l 35 States online as of Jan. 2002 l Turn-around time: » 2 hours for 10-print cards » 24 hours for latent print searches

13. Some Stats l 1.3 million submissions/month » 49% criminal » 51% civil l 90,000 fugitives ident./month

14. Case Study : Who Killed Barry Bridge? l On July 9, 2002: » Morrison Co. S.O. » Fellow employee not breathing » Little Falls, MN » EMS arrives and reports: –Barry Bridge is deceased

15. Morrison County

16. Scene l Morrison County Deputies arrived l No sign of struggle l Decedent drank a lot, drugs? l Last seen leaving bar l Body to Ramsey Co ME

17. BCA Gets Involved l Thought to have record with Henn. Co. l Get thumbprints from Bridge (7/11) l Ran in M.A.F.I.N. » No hit l Teletype sent to AR, TX l Iona Bridge, mother, contacted (7/15) l ??? l Barry Bridge in Pennsylvania

18. Who’s the Dead Guy? l ME report: » Subgaleal and subdural hemorrhage » Focal contusions on extremities and left lateral thoracic wall region » Hemorrhage to left dorsal thoracic wall » Healing fractures to right dorsal thoracic wall » Micronodular cirrhosis of liver » BAC = 0.198, no presence of drugs

19. …in English… l Stumblin’ drunk l Closed head trauma l Accidental death l But who is he?

20. I.A.F.I.S. l 7/23 Prints run through I.A.F.I.S. l 7/24 Response

23. 1 1 2 2 3 3 4 4 5,6 7 7

24. Decedent Identified l Randall Rhodes (“Randy”) l From Little Rock, AR l FP in AR and TX l Contacted Glenda Foster, Benton, AR l Filled in the details l Morrison Co. county burial plot l Who killed Barry Bridge?

25. Reality TV?

26. Sources Used Ashbaugh, David R. Quantitative-Qualitative Friction Ridge Analysis, 1999. Lee, Henry C. Advances in Fingerprint Technology, 1991. U.S. Dept. of Justice, FBI. Thanks to: Morrison County Sheriff’s Office, Sheriff Tschida Ramsey County Medical Examiner’s Office, Dr. M. McGee Sol Agramont, Nogales, AZ Email: Glenn.Langenburg@state.mn.us