“I pieced together the photos of every murder and I laid them out chronologically. That red line right there indicates where his killing became erratic and inexplicable. All you've gotta do is set up a null hypothesis and try and prove it. And when you can't prove it, that means your original hypothesis must be true.”

Chris Marquette - Oliver

They all have husbands and wives and children and houses and dogs, and, you know, they've all made themselves a part of something and they can talk about what they do. What am I gonna say? "I killed the Pesident of Paraguay with a fork. How've you been?".

John Cusack - Martin Q. Blank

“I mean, if they admitted that they rape and murder for pleasure, it would destroy them. There's a tension. They need to be seen to have power over someone, and yet circumstance demands that they erase the only witness, which means they have to do the whole thing over again. It must be Hell.”
Anna Torv - Dr. Wendy Carr

“We're trying to save women from getting pulled into vans and cut to pieces, not crucify some schoolmarm who hasn't done anything.”
Holt McCallany - Bill Tench

“- Mr. Taggart: We've no guarantee that these theories of yours are workable.
- Thomas A. Edison: Well, most electricity is theory yet.”
Gene Lockhart - Mr. Taggart
Spencer Tracy - Thomas A. Edison