Ritically assess what reprehensible behaviour means in section 112 Criminal Justice Act 2003

This is a law of evidence essay for third year law. Require a first so must be in depth critical analysis.
Must include several cases such as RvWeir, R v Renda, etc.
What Constitutes Other Reprehensible Behaviourunder the Bad Character Provisions of the Criminal Justice Act 2003? Munday, R. Criminal Law Review
Must look at Law Commission Proposals
Only academic sources to be used no wikipedia
MUST BE REFERENCED IN FOOTNOTES