Quiz #3 Flashcards
Evidence judicial definition
All the means by which any alleged matter of fact whose truth is investigated at a judicial trial is established or disproved
Four types of evidence
- Testimony
- Demonstrative
- Circumstantial
- physical
Most common type of evidence heard by juries
Testimony
evidence type that can be influenced by subjective judgement
Testimony
What types of cases is 3D reconstruction growing in importance?
crash reconstruction
What is the importance of physical evidence to juries?
put more stock and place more value on physical evidence
Importance of physical evidence to law enforcement . . .
May prove a crime has been committed
May place a suspect at a scene
May place a victim at a scene
May place a suspect in direct contact with a victim
Is physical evidence neutral, subjective, objective?
Physical evidence is neutral and objective, not subjective: it is what it is
Locard’s exchange principle
every contact by a criminal leaves behind a trace.
This glass is typically found in windshields
______ glass It has two pieces of plate glass with a piece of _____ in between
When this glass is broken, the larger pieces are held together by the _________
Laminated glass
Commonly referred to as “safety glass”
tempered glass
will often break into various size pieces (some big, some small)
Plate glass
The ______ of the hair is the most valuable as it will provide a more complete or nuclear DNA profile
Root
Which kind of DNA profile does the root of the hair provide? (N____r)
Nuclear
The ____ of the hair contains mitochondrial DNA
Shaft
Which kind of DNA profile does the shaft of the hair provide? (M______al)
Mitochondrial
Which DNA profile is this?
Less discriminating
Inherited from maternal parent (mother)
May be the same for mothers and daughters
Does not provide complete identification
Mitochondrial
Which DNA profile is this?
More discriminating
May provide positive identification
May – results indicate a chance the profile beleongs to someone else
I.e. - 1 in 6,000,000,000
Nuclear
Tiny fragments of physical evidence that can be linked back to the crime or actors
What is this?
Trace evidence
