In 1930s mysteries, all sorts of motives were credible which aren't credible today, especially motives of preventing guilty sexual secrets from coming out. Nowadays, people sell their guilty sexual secrets.
I do all kinds of roles - nerd, psycho, nerd, psycho, nerd, psycho - and occasionally someone kind of normal. It's weird, when I lived in Austin I was always cast as pretty normal people. But when I moved to Los Angeles I was immediately branded a psycho.
Carving out an identity for yourself is important so I'm trying to do that as well.