Crossword Genius

Powerful type caught going after banker (4)

Ross

I believe the answer is:

exec

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'powerful type' is the definition.
I know nothing about this answer so I cannot judge whether this works.

'caught going after banker' is the wordplay.
'caught' becomes 'c' (cricket abbreviation).
'going after' means one lot of letters go next to another.
'banker' becomes 'exe' (I've seen this before).
'c' after 'exe' is 'EXEC'.

Can you help me to learn more?

(Other definitions for exec that I've seen before include "CEO?" , "suit" , "big cheese" , "Senior administrator (abbr)" , "Senior manager (abbr)" .)

I've seen this clue in The Telegraph.
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