Deciding what constitutes "wast[ing] taxpayer money" IS a political decision. Clearly there is a difference between easily and well proven cases and cases with

Deciding what constitutes "wast[ing] taxpayer money" IS a political decision. Clearly there is a difference between easily and well proven cases and cases with scant evidence, but determining precisely where the line lies is a political decision. Do you investigate weak cases to send the message that things won't be overlooked, or do you pass over them to minimise public expenditure, for example.