Are You a Math Genius?
Gene flips to a POLICE PHOTO, CLOSE ON HANDS tied with ROPE.

                  GENE (cont'd)
          Constrictor knot.  Simple, secure.
          Difficult to untie once tight.
          Same knot was used in five of the
          cases you're looking into.
          
                  MCGILL
          Whoa. Freaky.
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