tightly behind him. A minute or two later, he appeared in the testing room, followed by Darren. Jaywalkerâs instinctive reaction was to lean back, away from the glass, certain he could be seen. But Darrenâs gaze paused only momentarily at the mirror, without any sign of recognition.
âAll right, Darren,â said Sandusky. âWhy donât you have a seat right here.â His voice was loud and clear through the speaker. If Jaywalker had earlier felt he was abandoning his client, he now had the sense that he was spying on him. But it didnât occur to him to look away or cover his ears. Instead, he watched and listened intently as Darren sat down. He took his eyes off him only long enough to glance at his watch. It was 9:44.
âNow,â said Sandusky, âthis is the machine weâve all been talking about.â He patted the polygraph affectionately. It was about the size of a large phonograph or old reel-to-reel tape recorder, and had wires that led to various attachments. At one end of the machine was a roll of graph paper, with needles balanced on it.
Sandusky flicked a switch on the side of the machine. The paper began to move slowly. The needles didnât.
âYou see what itâs doing?â he asked.
âItâs dr-dr-drawing straight lines,â said Darren.
âRight. How come a straight line?â
âItâs not turned on?â Darren guessed.
âNo, itâs turned on,â said Sandusky. âSee, the paperâs moving. But how come the lines arenât moving up and down?â
âItâs not attached to anything?â
âExactly. This machine does one thing, and only one thing.â Here Sandusky paused for effect. âIt moves paper. You do the rest.â
Sandusky began making adjustments to the machine, continuing to speak as he did so. âDarren,â he said, âput your right hand out in front of you and wiggle your fingers.â
Darren obeyed.
âVery good. Now your left hand.â
Darren obeyed again.
âGood. Youâve just used part of your nervous system. We have two types of nerves,â Sandusky explained, âvoluntary nerves and involuntary nerves. By moving your fingers, you just controlled certain nerves in your hands. Because you can control them, we call them voluntary. Now,â he continued, attaching a blood pressure cuff to Darrenâs forearm and inflating it, ânotice that our machine works after all.â
Indeed, one of the needles had come to life and was dancing up and down on the paper.
âOkay, Darren, I want you to make your heart stop pumping for thirty seconds.â
Darren smiled uncertainly.
âWhatâs so funny?â Sandusky asked.
âI c-c-canât.â
âWhy not?â
âYou canât stop your heart.â
âPrecisely,â Sandusky agreed. âThatâs because your heart is run by involuntary nerves. You canât control them. And thatâs all that this test is about, involuntary nerves. Things that happen inside your body that you canât control.â
Jaywalker couldnât help but smile. It was mesmerizing. This guy could have been a terrific car salesman, he decided, or an awesome preacher. Or both. He could sell used Chevys all week and salvation come Sunday.
Even as heâd been talking, Sandusky had attached a second strap to Darrenâs other wrist, and two to his torsoâone around his chest, the other around his midsection. âBy the way,â he assured Darren, ânone of this is going to hurt at all.â He taped a final strap to the palm of one of Darrenâs hands. Each attachmentâand there were now five of themâwas connected by a wire to one of the needles, which moved visibly up and down on the graph paper and recorded Darrenâs blood pressure, pulse, upper and lower respiration, and galvanic skin responseâ¦the electrical conductivity of the skin,
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