Forensic Science Hurumanu - Fingerprints

Forensic Science

Definition:

the application of scientific methods and techniques to matters under investigation by a court of law.

                                                                     

5 Forensic Science topics;

1.  footprints 
2.  fingerprints 
3.  DNA
4.  ballistics
5. clothing

    

Fingerprints

Fingerprint characteristics

Aim: To look at the different types of fingerprints.

Materials: 

1. ink  
2. balloon 
3. finger

Steps:  

1.   get ink on the finger 
2.   put finger on balloon
3.    blow the balloon up
4.  take a picture of your finger
5.   put it on your blog 
6.   do it with the other finger

Insert two pictures here of your fingerprints

Ink prints

Thumbprint	Index fingerprint

Record the types of fingerprints from those in your group.

Name	Fingerprint 1 (Thumb)	Fingerprint 2 (index finger)
keghan	double loop	right loop
Jodecy	accidental loop	accidental loop

Questions:

Do people always have the same type of fingerprint on their thumb and index finger? no, they don't 
What was the most common type of fingerprint in your group?

Dusting fingerprints:

Conclusion Questions:

What could you do to improve your results next time?

Why do you think fingerprints are useful to crime scene investigators?