“What?”

Dance nodded at the straw Vincent had used. “Can you order a DNA test?” she asked Rhyme.

“Yes. But it’ll take some time.”

“That’s okay, as long as we can say truthfully it’s been ordered.” She smiled. “Never lie. But you don’t have to tell a suspect everything.”

Rhyme wheeled around to the main portion of the lab, where Mel Cooper and Pulaski were still working on the evidence. He explained what they needed and Cooper packaged the straw in plastic and filled out a DNA analysis request. “There. Technically it’s been ordered. The lab just doesn’t know it yet.” He laughed.

Dance explained: “There’s something big he’s keeping from me. He’s very nervous about it. His response to my question about being arrested was deceptive but it’s also very rehearsed. I think he was collared but it was a while ago. There’re no prints on file so he fell through the cracks—maybe a lab screwup, maybe he was a juvenile. But I know he’s run into the law before. And I finally got a sense of what it might be. That’s why I took my jacket off and had Amelia walk around in front of him. He’s eating up the two of us with his eyes. Trying not to but he can’t help it. That makes me think there’s a sexual assault or two in his past. I want to bluff and use that against him.

“The problem is,” she continued, “that he could call me on it. Then we lose our bargaining power and it’ll take a long time to grind him down and get anything helpful.”

Sellitto said to Rhyme, “I know where you come down on it.”

Hell, yes, Rhyme thought. “Take the chance.”

Sellitto asked, “And you, Dennis?”

“I oughta call downtown. But we’d be kicking ourselves if they say no. Go ahead and do it.”

The agent said, “One other thing I need to do. I have to take myself out of the equation. Whatever he had planned with me in the alley, we have to let it go. If I bring it up it’ll move the relationship to a different place and he’s going to stop talking to me; we’ll have to start over again.”

“But you know what he was going to do to you?” Sachs asked.

“Oh, I know exactly what he had in mind. But we have to stay focused on our goal—finding the Watchmaker. Sometimes you just have to let other things slide.”

Sellitto looked at Baker and nodded.

The agent walked to the closest computer and typed some commands, then a user name and pass code. She squinted when the website appeared and typed in some more commands. A page of some suspect’s DNA rolled onto the screen.

Dance opened her purse and replaced the sheep glasses with the wolf ones. “Now it’s time for the fun part.” She walked to the door and opened it, asked that Vincent be brought back.

The big man, sweat stains under his arms, lumbered back into the room and sat down in the chair, which groaned under his weight. He was cautious.