When an IP must be held

Question 1

what is the purpose of an IP?

Answer 1

to establish whether S can be reliably identified by W

Question 2

when must an IP be held?

Answer 2

Unless it would not be practicable or would serve no purpose, an IP shall be convened where:
o W has identified S
o W thinks they can identify S
o W has a reasonable chance of identifying S

And

o S disputes the identification

Question 3

when may an IP be held?

Answer 3

an IP may be held if the officer in charge thinks it would be useful

Question 4

give two examples of when an IP would serve no purpose

Answer 4

o S admits being at the scene of the crime + gives an account that mirrors Ws
o Not disputed that S + W know each other