Who is John Schuyler Moore? Why is he recalling a murder investigation? Is he a cop? How did he become involved in the murder case? For what reason? What is his role in the investigation? Why would someone like Moore become involved in this investigation? Why not leave it to the police?

Who is Dr. Lazlo Kreizler? Describe how his beliefs in regards to insanity and psychology are different from those commonly accepted by his peers. Why does Kreizler think differently than others? Why do people shun Kreizler for his beliefs? Why does Kreizler hang on to his beliefs? Who is right? Who is wrong? Explain.

Who is Sara Howard? Why does Sara want to be a police officer? What is standing in her way? What position does Sara take with the police department? Why does Sara become involved in Kreizler's investigation? What role...