Impact in the Courtroom (IMAGE) North Carolina State University Caption The new technique could also have significant benefits in the courtroom. Obviously the improved accuracy is important, but so is the fact that the method relies on quantifiable metric data -- not an opinion. This is an important distinction under the federal rules of evidence that govern what evidence can be submitted in criminal court. Credit David Hunt, North Carolina State University Usage Restrictions Photo credit must be given. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.