What is the ruling on our actions and the testimony we gave, and is it considered a false testimony, and what should we do if the investigation is reopened, knowing that the complaint includes matters that occurred and others that did not?

This man must be advised to repent to God for taking people's money unlawfully. As for what complies with the law, he is not to be blamed for it, but it is better for him to be gentle and kind to his subordinates. Regarding the complaint, one must testify truthfully, without fabricating, exaggerating, or distorting, and report with certainty what he has ceased doing and what violations he is currently committing.