So according to webster:
Definition of integrity
1 : firm adherence to a code of especially moral or artistic values : incorruptibility
2 : an unimpaired condition : soundness
3 : the quality or state of being complete or undivided : completeness
I have an issue with the firm adherence to a code of especially moral or artistic values.
He knew that he was abusing the tax system to gain the system, yet he did so knowingly and intentionally.