Only two people suspect him: the broken-hearted girl and an old friend of his father.
This gentleman puts a detective on the trail.

(The detective is impersonated by Ralph Lewis.) The gradual breakdown of the victim is traced by dramatic degrees.

This is the second case of the thing I have argued as being generally impossible in a photoplay chronicle of a private person, and which the considerations of chapter twelve indicate as exceptional.

We trace the innermost psychology of one special citizen step by step to the crisis, and that path is actually the primary interest of the story.

The climax is the confession to the detective.
With this self-exposure the direct Poe-quality of the technique comes to an end.