Your situation is way outside the scope of a DIY site like Visa Journey, imo. IMO, you are going to need a very strong package. Find a very good attorney who has experience in crafting them. I don't think the current administration will treat your situation as a formality as did the last administration. This is a far cry from a standard immigration case, especially with the extra scrutiny by USCIS now. What is your plan if you attempt fails? I wouldn't risk the consequences of trying to do this solo. A $150-$300 consultation is just the very beginning to a very expensive process. IMO, you need to put this in the hands of an experienced attorney......which won't be cheap or guaranteed. Your father made some extremely bad decisions which are going to cost a lot of money to rectify. Just an opinion. Good luck.