Hierarchy of Propositions

Question 1

what are the hierarchy of propositions

Answer 1

1. sub source
2. source
3. activity - lvl 2 takes the what to the how
4. offence lvl 3 –> most often outside a forensic scientists remit.

Question 2

Considerations for activity level

Answer 2

1. transfer - primary, secondary, tertiary
2. background
3. persistence - dependent on: evidence type, location, environment, time

Question 3

source level proposition

Answer 3

only when there is no risk that they will be misinterpreted by court
eg blood came from defendant vs from unknown

Question 4

when no proposition can be specified:

Answer 4

intelligence, investigate, technical report must be provided
(no evaluative)