We have a saying in Japan that goes: "Even dust piled up will make a mountain."
Considering the monies concerned here are also tax dollars, I am wholly unsympathetic to the actual monetary sums. They could be 1 cent and my feelings on this matter wouldn't change: Audit every single line item and slash anything wasteful.
Collateral damage is unavoidable, and more importantly I don't care about collateral damage since we are finally getting the audits and cuts we the people demanded for way too long.