You shouldn't blame others unless you have proof.
Bob is an accountant for a marketing firm and notices a discrepancy that indicates possible fraud.
Bob wants the discrepancy investigated.
Bob points out the accounting discrepancy to his boss.
Bob points out the discrepancy to his boss and says he suspects the regional manager.
Bob's boss turns the matter over to an independent auditor who finds the discrepancy was merely a data entry error.
The regional manager is investigated, and although he is found to be innocent, his chances for advancement in the company are ruined.