I can’t pay back the amount as it’s been mixed for years and I don’t know the amount. Asking them for forgiveness is not possible because the people I worked for are crooks themselves. Is there any sadaqa I can takeout or something else I can do?

1- I can’t pay back the amount as it’s been mixed for years:
Ans: You do not need to pay the same money. This is impossible. You have to pay the equivalent amount.
2- I don’t know the amount.
Ans: It is enough that you estimate it.
3- Asking them for forgiveness is not possible because the people I worked for are crooks themselves :
Ans: Then you have to pay them back
4- Is there any sadaqa I can takeout or something else I can do?
Ans: No, as you know the people.