How was the miscarriage of justice resolved;Has the law been amended to prevent the miscarriage from reoccurring today? Or have any guidelines been implemented to prevent a similar miscarriage of justice from occurring?

Criminal case study

Select and research ONE case from the list below, and then proceed to write an essay in the form of a case study, which incorporates all of the points listed below:

R v Angela Cannings [2004] EWCA (Crim) 01.
R v Maguire and Others [1991] LRC (Crim) 227.

( you can choose which one as I'm not mind)

In order to answer the question fully, you will need to include:
A definition of ‘miscarriage of justice’;
A summary of the facts of the case;
An explanation of the point during the Criminal Justice System that the miscarriage of justice occurred;
A brief analysis of the evidence presented in court;
The verdict;
The sentence;
The consequences of the ‘miscarriage of justice’; How was the miscarriage of justice resolved;
Has the law been amended to prevent the miscarriage from reoccurring today? Or have any guidelines been implemented to prevent a similar miscarriage of justice from occurring?