A.F.I.S.Automated Fingerprint Identification System
Glenn Langenburg
Forensic Scientist
Latent Print Examiner
Minnesota Bureau of Criminal Apprehension
A.F.I.S.
Automated Fingerprint Identification System
0101010010101010101010010101011011101010101010101010101010101011100010111111010101010101010101010001001001010100101010111010101001011011111101010101010101010101010101010001001010010000010101010001101110101101010101101010101010101010101010010010010010100101010100101010101010010101010101001010101001010100101111010101000100100100100101001010010001010100010100101010101010010110101010101010100001010101010010100101010010000100010111010010101000010100001000010111101001001010010010011110001010101010100010001111010010101010101001000010111000101001001000101010101010101001010101010101010010101010101010101010111101010101
Searches via a mathematical algorithm
M.A.F.I.N.
Midwest Automated Fingerprint Identification Network
Minnesota, North Dakota, South Dakota Criminal histories only!
General Functions
Criminal history check» 10 print card
Civil background check» 10 print card
Latent fingerprint search» Small distorted portion vs. 10 print card
I.A.F.I.S.
Integrated AFIS system Request to build in 1991 Approx. 40 million FP cards Online August 1999 35 States online as of Jan. 2002 Turn-around time:
» 2 hours for 10-print cards» 24 hours for latent print searches
Case Study: Who Killed Barry Bridge?
On July 9, 2002:» Morrison Co. S.O.» Fellow employee not breathing» Little Falls, MN» EMS arrives and reports:
–Barry Bridge is deceased
Scene
Morrison County Deputies arrived No sign of struggle Decedent drank a lot, drugs? Last seen leaving bar Body to Ramsey Co ME
BCA Gets Involved
Thought to have record with Henn. Co. Get thumbprints from Bridge (7/11) Ran in M.A.F.I.N.
» No hit Teletype sent to AR, TX Iona Bridge, mother, contacted (7/15) ??? Barry Bridge in Pennsylvania
Who’s the Dead Guy?
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
Decedent Identified
Randall Rhodes (“Randy”) From Little Rock, AR FP in AR and TX Contacted Glenda Foster, Benton, AR Filled in the details Morrison Co. county burial plot Who killed Barry Bridge?
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 TschidaRamsey County Medical Examiner’s Office, Dr. M. McGeeSol Agramont, Nogales, AZ
Email: [email protected]