From the last time I saw this, what I understood was, the lawyer isn’t asking the witness if there’s a possibility the person in question was alive, the lawyer is trying to prove beyond a reasonable doubt that the person in question was not only undeniably dead, but also impossible for the person to be alive.
Source: my memory from a random comment on the internet, pay it forward
Alexisonfire had the same problem. Their website was theonlybandever.com because alexisonfire.com was for the adult actress Alexis, and her pornographic content.