Fellows who may shoot others without killing them (9)

I believe the answer is:

cameramen

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'fellows' is the definition.
The definition and answer can be both people as well as being plural nouns.
Perhaps there's a link between them I don't understand?

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Another definition for cameramen that I've seen is " Film-makers".)

I've seen this clue in The Telegraph.

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