he found it fascinating a cigarette butt could tell you a person's blood type, which narrowed down the list of suspects," Brown said. "Now, we can tell you exactly who that cigarette belonged to, since we can get DNA off it. That just shows you how much it has progressed in the last 30 to 40 years. Kids can only imagine what will happen in the future, and they can be a part of that future."
Whodunit: The Science of Solving Crimes exhibits at Science Museum Oklahoma, 2100 N.E. 52nd.