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Right. Also, the emails where the deal was struck might constitute a legal contract - and could be forwarded to whoever is making arrangements for the estate.

I have asked mum. Computer was not found in Costa Rica :(

I don't think you need the computer you just need the 12 words.

Do you have any evidence that the money you sent was used to buy crypto? The transactions are all public.

It could have been on a phone or tablet? Sounds like you have some investigative work to do if you want to recover that.

at times i sent him crypto and others paypal. surely the crypto sent is easier to track.