Helen told the story of her sisters death to Holmes. She told him how she died in her arms. She told that her last words were "Oh!, My God! Helen! It was the band." She told him how her step father was and angry man. And how he killed his butler. While he was studying in India to become a doctor. He had gotten away with it! She told how they moved back to England, and they kept exotic pets: a baboon and a cheetah. She said how her sister and herself kept their doors locked from the inside at night, so the animals didn't get in. She said about the doctors only getting along with the gypsies that lived close to their property. …show more content…
He must have been impressed at the analytical analysis that it entailed. The doctor had to have vents installed into the rooms. But he couldn't let them vent outside because he planned to put a snake through the vent. So he had them vent into the next room. He had a dummy bell installed with a tiny rope hanging down in a pull. This would allow the snake to go down the rope and land on the bed. He had the bed bolted to the floor. This would assure that the girls would not rearrange their room. The doctor then trained the snake to go through the vent down the rope and drop to the girls bed. And hopefully bite the