A suspect is taking a polygraph and is asked a specific question about the victim. The suspect's heart rate increases and their breathing speeds up. The interrogator records this as a negative reading, indicating that he is lying. The interrogator then asks a question about the suspect's name, with the same results. What might this indicate? The first answer was a false negative, and the suspect was telling the truth.
The first answer was the truth, and the suspect is guilty.
The first answer was a lie, and the suspect is guilty.
The first answer was a false positive, and the suspect was lying.