I’m leading a lot of constables to capture it? Unwise (9)
I believe the answer is:
impolitic
'unwise' is the definition.
(similar in meaning)
'i'm leading a lot of constables to capture' is the wordplay.
'leading' becomes 'it' (I can't explain this - if you can you should give a lot more credence to this answer).
'a lot of' means to remove the last letter (most of the word but not all of it).
'constables' becomes 'police' (police constables).
'to capture' means one lot of letters goes inside another.
'police' with its last letter removed is 'polic'.
'it' placed into 'polic' is 'politic'.
'im'+'politic'='IMPOLITIC'
'it?' acts as a link.
This may not be correct. It may be part of another bit of the clue.
(Other definitions for impolitic that I've seen before include "Not prudent" , "Ill-advised" , "Inexpedient" , "Lacking prudence, unwise" .)