Good that one of them has been caught and sentenced to jail, it is never a good scenario when someone gets robbed of assets that took them a lot of time and cost them money to acquire. Learn not to flaunt your wealth in public, i know you can be attacked even if you live a modest life, but the chances are lower, that for someone who brags about how much coins they have.
Extending your seed phrase with a passphrase can also help you with plausible deniability in a situation of a $5 wrench attack.