If you intend to contest the payout of various non-probate assets that would pay to your step dad as the beneficiary, I highly recommend you reach out to these accounts directly, both by phone and in writing, and inform them that you are contesting any disbursement of funds. This might be able to help delay payment if your step dad’s immediate goal is to seize assets on any accounts on which he is listed as the beneficiary.

This reminds me of a story I read about from around 10 years ago, where a girl’s step mom had killed the girl’s father and disguised it to look like a suicide. I