"Lie detectors" are in practice a measurement of nervousity, right?
"Oh, his heart rate jumped when I asked what the end score was in the game he said he saw in his home at the time of the murder even though he gave the correct score maybe he guessed."
"Oh, his heart rate jumped when I asked what the end score was in the game he said he saw in his home at the time of the murder even though he gave the correct score maybe he guessed."