Retiring QC: 'Is Nero finally admitting this evidence in court?' (8)
I believe the answer is:
forensic
'this evidence in court?' is the definition.
'forensic' can be an answer for 'evidence' (I have seen 'Such evidence' mean 'forensic' so perhaps 'evidence' could also mean 'forensic'). I'm not certain of the rest of the definition.
'retiring qc is nero finally admitting' is the wordplay.
'retiring' says the letters should be written in reverse.
'admitting' indicates the answer is hidden within the clue (I've seen 'admits' mean this).
'cisnerof' is hidden in the letters of 'qc is nero finally'.
'cisnerof' written backwards gives 'FORENSIC'.
Can you help me to learn more?
(Other definitions for forensic that I've seen before include "(Science) used in crime detection" , "may be referred to court" , "As scientific tests in crime fighting" , "Relating to investigative science" , "Conifers (anag)" .)