The Nature Of Evidence Flashcards
1
Q
What are the two types of evidence?
A
Physical and testimonial
2
Q
What is contamination?
A
Any further transfers after a crime has ceased.
3
Q
What are the two assumptions of individualised evidence?
A
All things are unique in space and time and the properties by which a thing is categorised is constant.
4
Q
What is strength of association reliant on? (5)
A
The kind of evidence; inter and intra-sample variation; amount of evidence; transfer and cross transfer; number of different types of evidence associated to one or more sources.
5
Q
What are controls?
A
Materials whos source is known used for comparison.
6
Q
What is a type 1 error?
A
Someone is falsely incriminated in a crime
7
Q
What is a type 2 error?
A
Someone is falsely exonerated in a crime.
