Both of them stood pat, blocking my way, so I stopped a few feet in front of them. "Hello, counselor," said one. "Sorry, the roulette room's closed." I knew the man slightly. "Let me in, Jim," I said. "I want to see Thursby." The men exchanged glances. Obviously, the D.A. had given them orders. "Can't do it, counselor," said Jim. "We're not to let anyone in." "Tell Thursby I'm out here and that I want to see him." He shrugged, opened the door, stuck his head inside, and called to District Attorney Thursby to tell him that I was outside. I could hear Thursby's muffled "Damn!" from within. But when he showed up at the door, his face was all smiles. "What's the trouble?" he asked pleasantly. I smiled back, giving him my best. "No trouble at all, Thursby. I just wanted to watch the experiment." "Experiment?" He looked honestly surprised, which was a fine piece of acting. "We're just checking to see if the table's wired, that's all. If it is, your client may be in the clear; maybe we can hang it on the croupier." "And get a conspiracy charge on my client, too, eh? Well, if you don't mind, I'd like to watch that table check myself. You know how it is." Thursby hesitated, then he scowled. "Oh, all right. Come on in. But stay out of the way." I grinned. "Sure. All I want to do is protect my client's interests." Thursby just grunted and opened the door wider to let me in. He was a shrewd lawyer, a good D.A., and basically honest, even if he did have a tendency to bend under pressure from higher up. They were checking the table, all right. They had three specialists going over it with everything from fine tooth combs to Geiger counters. They found nothing. No magnets, no wires, no mechanical gimmicks. Nothing. It took them an hour to take that table apart, check it, and put it back together again. When it was all over, Thursby glanced at me, then said: "O.K., boys; that does it. Let's go." The men looked at him