Hurumanu- Finger prints

Forensic Science

Definition:

is the application of science to criminal and civil laws, mainly—on the criminal side—during criminal investigation, as governed by the legal standards of admissible evidence and criminal procedure.

5 Forensic Science topics;

1. Fingerprints 
2.  Footprints
3.  Clothes
4.  Ballistics
5. DNA

 B
    

Finger prints

Fingerprint characteristics

Aim: To look at the different types of fingerprints.

Materials: 

1.   Balloon 
2.   Ink
3.   Fingers

Steps

1. I'm Get balloon and ink  .
2. Dip both you index and thumb in the ink.   
3. Put one mark of each finger on either side of the balloon.   
4.   Blow up the balloon  .
5.   Take a picture .
6.   Find out what finger prints you have.
7.   

Insert two pictures here of your fingerprints

Ink prints

Thumb print	Index finger print

Record the types of fingerprints from those in your group.

Name	Fingerprint 1 (Thumb)	Fingerprint 2 (index finger)

Questions:

Do people always have the same type of fingerprint on their thumb and index finger?
What was the most common type of fingerprint in your group?

Dusting fingerprints:

Lifting fingerprints

Aim: To learn how to lift hidden fingerprints from an object.

1. Lifting and Gathering fingerprints.

Equipment:

1.   Tape.
2.   Finger print.
3.   Card paper.
4.   baby powder.
5.   Make-up brush.
6.  Plastic.

Method: 

1. Get your piece of plastic and place your finger print on it.
2.   Then swipe baby powder on to your finger print.
3.   Get a piece of tape and stick it onto your print.
4.  Put the tape on the piece of card paper and take a picture.

Results:

Lifted fingerprints

Thumb print	Index finger print
mine is the one in the right.

Conclusion Questions:

What could you do to improve your results next time?
I could use less baby powder so my print was more visible.

Why do you think fingerprints are useful to crime scene investigators?
Because they are unique to each ad everyone.