My uncle suddenly found a trust fund, and I'm almost certain my father is being scammed - I'll attempt to keep this brief, but there's a fair bit of detail.

My father recently contacted me to let me know my uncle found a trust fund he had forgotten about years ago, and it's now worth an enormous amount of money (tens of millions of dollars). He's asking my father to fly to New York with him to help deal with paperwork and whatnot for it and to start the process of collecting the money.

The proof for this that my uncle has is that he was contacted by many lawyers, had his identity verified in many different ways (including a 3D scan and a blood test), and they confirmed he was the owner of this trust fund, and effectively all the money is his. However, he's stating that he was recently robbed, and needs a few thousand dollars to get him to the end of the month so that he and my father can fly to New York soon to get the money.

On top of all this, my uncle used to own an insurance company decades ago, but was caught misusing the money (I was very young at the time, so I don't know details), and the company had to close.

My father and uncle are both physically disabled, so they're asking me to fly to New York with them to help with the process, help organize things, carry things, etc. They're also wanting me to quit my job so I can help with managing the money, with the promise of at least doubling my salary (although I have no background or any idea in managing anything like that).

My father is trying to bring me into the mix, and has so many grand plans for what they'll do with the money, houses they'll buy, business ventures to do, etc. However, all of this just sounds like the Nigerian Prince scam (promise loads of money in exchange for a bit of money now), so naturally I'm beyond skeptical.

Just wondering if anybody has any advice on finding proof for this kind of thing. Even if all that can be done is finding enough proof that I can save my father from losing all his savings being scammed by his brother. Thanks!

tl;dr - My uncle needs some money now to make us rich later. How can I prove to my father that this isn't actually true?

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Edit: I appreciate all the confirmation here. My real main goal is just helping my dad see it as well. He's already lost in fantasies of having a big home and such.

I think I'm going to ask for copies of documentation from lawyers, ask about why my uncle didn't just get a credit card or loan until the end of the month, etc. as some guidance for my father (just hoping to peacefully help him realize he's being ripped off). If he doesn't budge, I'll just call my uncle directly and be clear.

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Edit 2: I talked to my family about this a bit just to help them be wary if my uncle or father asks anybody else for money. My father has kept a lot of the details from everybody about this money, and basically confirmed to them all the money was a guaranteed thing, so there was a lot of letdown when I explained the details.

I asked for the documents from my father about this, and he said he'd have them July 8 (which I'd say just gives more time for my uncle to ask for money before it's revealed to be a ruse). He also states he's happy to help family, which is why he would never question why my uncle needed the loan from him rather than getting one from the bank (or a credit card or anything). I'm going to bring up a few more of the things here, though (What are they comparing the 3D scan to? Do we have a copy of it? Why wasn't this just any standard situation of finding a beneficiary? Etc.).

My father and uncle are in their mid 60s or so, and my father has spoken to him on the phone, so he's at least reasonably certain it's my uncle (they last spoke in-person a year or so ago, so it's at least likely my uncle; my father would know his voice, I think). It's possible my uncle is the one being scammed and then just lying to save face and passing on the fees to family and such, but it's hard to say. It's at least a scam is all.

Thanks again for all the input here!