"There was really no percentage in killing a cop." What does this mean?
I am reading The Godfather currently. To give a little context this sentence appeared in it.

Question

Answer

there is no percentage in (doing) something
there is no advantage or benefit to be gained from something

There's no percentage for us in concealing the truth.

link: http://www.macmillandictionary.com/dictionary/british/percentage

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