Well-known thief catches boy and girl stealing (7)

I believe the answer is:

robbing

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'girl stealing' is the definition.
'robbing' can be an answer for 'stealing' (I've seen this before). I am unsure of the 'girl' bit.

'well-known thief catches boy' is the wordplay.
'well known thief' becomes 'robing' (I can't explain this - if you can you should believe this answer much more).
'catches' is an insertion indicator.
'boy' becomes 'b' (abbreviation used in schools).
'robing' enclosing 'b' is 'ROBBING'.

'and' acts as a link.

Can you help me to learn more?

(Other definitions for robbing that I've seen before include "Stealing from" , "larceny" .)

I've seen this clue in The Hindu.

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