Ugh... I need a larger soapbox to complain about this...
The season finale of 'Criminal Minds' - while a serial murderer is running about Los Angeles doing unspeakably nasty things, the guest detective cries out, "Why is he doing this?"
I'll tell you why - because, like I argued in my first post, the writers are either too stupid to think up another way to ask about a killer's motive, or... there's a conspiracy afoot (and has been for a long time)... I tell you someone's getting paid...