starting with this video is very helpful for better understanding ;) https://www.youtube.com/watch?v=w7wUuRiMCuM

1. F I N G E R P R I N T S
& A D V A N C E S
N U R H A N I S A H B I N T I Z A I N O R E N

2. I N A N C I E N T B A B Y L O N ,
F I N G E R P R I N T S W E R E
U S E D O N C L A Y T A B L E T S
F O R B U S I N E S S
T R A N S A C T I O N S .
I N A N C I E N T C H I N A ,
T H U M B P R I N T S W E R E
F O U N D O N C L A Y S E A L S

3. F R I C T I O N R I D G E S A L L O W U S T O H O L D O N T O T H I N G S
M O R E E A S I L Y
“Why do we have fingerprints?”

4. • Made of hills/ridges and
valleys/furrows
• Formed during IU life (10th
week of gestation) and remain
constant throughout life
• Highly individualistic even in
monozygotic twin

5. U S E S O F F I N G E R P R I N T S
• Personal identity: the disaster area
victims of stray identities; personal
electronic system login; immigration
control.
• Substitute of seal: marriage certificate,
a suicide note, the electoral rolls, and
other documents.
• Crime Investigation: the suspect with
the crime scene fingerprint matching,
crime scene reconstruction.

6. T Y P E S
O F
F I N G E R
P R I N T

7. O N E O R M O R E R I D G E S E N T E R
A N D E X I T F R O M T H E S A M E S I D E .
L O O P S M U S T H A V E O N E D E L T A
R A D I A L : O P E N T O W A R D S T H E T H U M B
U L N A R : O P E N T O W A R D S T H E P I N K Y
6 5 %

8. 2 5 %
A T L E A S T O N E R I D G E M A K E S
A C O M P L E T E C I R C U I T .
L O O P S H A V E T W O D E L T A .

9. R I D G E S E N T E R O N O N E
S I D E , R I S E I N T H E
M I D D L E , A N D E N D O N
T H E O T H E R S I D E
• P L A I N
• T E N T E D
7 %

10. Small patterns
in the prints
are called
"MINUTIAE"

11. EXAMPLES OF
MINUTIAE

14. R E C O R D E D F I N G E R P R I N T S U S P E C T F I N G E R P R I N T

15. R E C O R D E D F I N G E R P R I N T S U S P E C T F I N G E R P R I N T

16. 16 to 20 points of similarity in
the minutae are necessary to
establish positive
identification

17. C L A S S I F I C A T I O N O F
F I N G E R P R I N T S A T
S C E N E O F C R I M E
• Visible
• Plastic
• Latent

18. P A T E N T
P R I N T
• Impression made by a
finger contaminated with
blood, paint, dust, dyes,
etc.
• Can be recorded by
photography with suitable
use of lights and filters
(VISIBLE)

19. P L A S T I C
P R I N T
• Impression made on a
soft substrate like soap,
wax, clay, etc.
• Can be recorded by
photography or by means
of a cast

20. L A T E N T
P R I N T
• Impression made due to deposition of
sebaceous and sweat gland secretions
• Has to be made visible by developing with
reagents, (eg: ninhydrin, diazofluorenone)
• Recorded by photography and "lifting"
(INVISIBLE)

24. A D V A N C E S I N F I N G E R P R I N T I N G
• The techniques of fingerprint identification have
advanced from ink pads and paper to electronic
recognition
• Analyze chemicals left on an object that has been
touched and contains fingerprints. (trace amounts of
high explosives, cocaine, marijuana)

25. A P P L I C A T I O N S O F
F I N G E R P R I N T I N G

26. T E S T Y O U R S E L F

29. R E F E R E N C E S

30. THANK YOU