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Bobby walked round this reportedly to arrest Bohemian (7)

Ross

I believe the answer is:

beatnik

I'm a little stuck... Click here to teach me more about this clue!

'bohemian' is the definition.
(I've seen this before)

'bobby walked round this reportedly to arrest' is the wordplay.
I cannot quite understand how this works, but
'round' could be 'beat' (synonyms) and 'beat' is present in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for beatnik that I've seen before include "Social rebel of the 1950s" , "Rebellious youth (dated)" , "1950s dropout" , "Unconventional young scruff" , "eg Jack Kerouac" .)

I've seen this clue in The Independent.
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