You're right. I was trying to be clever, but I was missing the obvious. The term (from a website called Women in Regrigerators) apparently came out of comics fandom. Although I will say that both novels in the LOA omnibus that I've read so far portray considerable empathy for the murder victim, not all of it altruistic. David Bordwell says they are psychological thrillers more than typical murder mysteries, very much concerned with detecting the emotional state and relationships of the characters rather than just who done it.