The first wife never died. The one who ended up at the bottom of the stairs in Germany was Martha and Margaret’s mother. His first wife was the mother of the two boys and they adopted the girls after their mother’s death.
I watched the Netflix doc ages ago but wasn’t it heavily hinted that he was the girls biological dad? i thought the Owl theory was bandied about because she had lacerations but no skull fractures? Which is why the poker as a murder weapon was contested?
My memory is getting shit nowadays or I watch too many of these crimes that I can’t remember what murder weapon goes with what murder