human
This is a film made with the co-operation of Doctor Nagoya of the Castleton Institute and I am told by Mr. Manton that it is one of the finest snake pictures ever made. Kennedy spoke fast, so that we would get the full benefit of his explanation and so that it would not be necessary to subject the negative to the wear and tear of the sprocket wheels in the projection machine again.
gpt
I am running this for you to show you the action of the rattlesnake, whose venom was used to kill Miss Lamar, and to give you an idea of the source of the murderer's knowledge of snake poison.