I assume there was (and partially still is) a very strict taboo on intrafamilial murder and abuse. It's very hard to hide a murder nowadays, but just looking at

I assume there was (and partially still is) a very strict taboo on intrafamilial murder and abuse. It's very hard to hide a murder nowadays, but just looking at abuse, we know there are a lot of unreported cases even in a modern society. It must have been much worse in more 'primitive' societies.