When talking to the serial rapist to learn the identity of the copy cat, Lightman questions him about his education, specifically "flunking out after one semester at Southern Iowa State". However, while there is an Iowa State University there is no school named Southern Iowa State. See more
Dr. Cal Lightman
They want me to have a man with a gun around, full time.
Agent Ben Reynolds
To protect the valuables. Well, i guess I can't blame 'em, I mean, you guys are a bunch of scientist-nerds, running around, poking your nose in people's faces, calling 'em liars