*A giant green question mark emblazoned over the decapitated body*
Batman: Hrmm. No pulse.
Gordon:: It looks like it’s the Rid-
Batman: Let’s not jump to any conclusions, Commissioner!
*Riddler drives past, frisbee’s a business card with his home address on it. Batman catches it without looking*
Batman: I’ll need to take this to the billion-dollar crime lab built under my ma- uh, bat cave.
Gordon: This city owes you so much, Batman.
Batman: I know.