A polygraph test was admitted into proof at a criminal trial in Ohio last week, the first time this has occurred in more than thirty years. In consequence, an innocent man regained his freedom and his fame. The main witness for the defense was Dr. Louis Rovner of Los Angeles, California, a renowned scientist and polygraph knowledgeable.In my final … Read More

In previous years, polygraphs have been analogue instruments with an inked needle and scrolling paper. Nonetheless now a lot of the machines are digital. The functioning of the machine remains the same; the polygraph has many wires and tubes that are related to the individual in query, and fluctuations in physiology are recorded.Scientific analysis… Read More