[implements]

Have a read of: https://en.wikipedia.org/wiki/Cab-rank_rule

In a nutshell, English barristers must accept cases from anyone regardless of their circumstances or character otherwise “an unpopular person might not get legal representation; barristers who acted for them might be criticised for doing so”.

“Justice” is the result of the process by which trials are fair - is one way of looking at it. Contrasted with the view that once we know who the bad people are (how?) guilt is presumed and summary punishment is all they’re entitled to.