What do you do in such a scenario?
If her property in the US is not confiscated, as you suggested, she should reach out to close contacts there to help retrieve some of her personal belongings, especially the hardware wallets.
We rarely think about cases like this, but there are certain unlikely situations that could put our keys at risk. If we don't plan for them, many of us Bitcoin and crypto users could face a significant loss. This is an important consideration for investors who often prefer to live in countries with fewer regulatory concerns and where their human rights are protected.
The key is simply to have a backup plan in case an event like this happens. While some might consider using online storage as a solution in this scenario, it's not ideal. It's almost always safer to know your keys were physically left behind somewhere secure than to have them exposed on the internet.
This where trust and brainwallet has to be thought out for the persons that have literally turned down as bad the idea of trusting a blood relative with an idea of our keys and it location. A wallet with such value must have to be retrieved by someone we trust right before the nightmare.
For a deportee situation a brainwallet will cancel the problem of facing the risk of trusting the wrong person to your wallet. Having stored our bitcoin in a hard wallet and kept in secured physical position, memorising the keys to ensure we can access them anywhere right from our head can be an extra layer for a backup plan preventing a loss not only to deportation scenarios but in fire razed scenarios.