Crossword Genius

The point at which to make an arrest? (4)

Ross

I believe the answer is:

stop

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

This could be a double definition.

'the point at which' is the first definition.
'stop' can be an answer for 'the point' (stop is a kind of point). I am unsure of the rest of the definition.

'an arrest?' is the second definition.
(I know that arrest can be written as stop)

'to make' is the link.

Can you help me to learn more?

(Other definitions for stop that I've seen before include "Discontinue (an action)" , "Refrain from" , "It could be the organist's principal" , "Organ knob; get bus here" , "Pack it in - bar" .)

I've seen this clue in the Evening Standard.
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