“Why, is he accusing me of the Great Train Robbery?”

“Somebody asked him once if the perfect crime had ever been committed. He said yes. And when the interviewer asked him what it was, Hitchcock said, ‘We don’t know, that’s what makes it perfect.’ ”

Nikki joined Ochoa and Raley near the archway. “I have to hand it to you, swapping the real paintings for the fakes was the perfect crime. Until Matthew suddenly decided to sell. Then your crime no longer would be secret. The appraiser had to be silenced first, so you had Pochenko kill her. And then you had Pochenko come here and throw Matthew over that balcony railing.”

“Who is this Pochenko? You keep talking about this guy like I’m supposed to know who he is.”

Nikki beckoned him to her. “Come here.”

Paxton hesitated, eyeing the front door, but he came over to stand near the archway with the detectives.

“Take a look at these paintings. Any one you like, Noah, take a good long look.” He leaned closer to one, gave it a cursory examination, then turned to her.

“OK, so?” he said.

“When Gerald Buckley gave you up, he also gave up the address of the storage facility where you instructed him to deliver the stolen paintings. Today, I got a search warrant for it. And guess what I found there.” She gestured to the collection hanging there in the glow of the orange light of the setting sun. “The original Starr Collection.”

Paxton tried to keep his cool, but his jaw dropped. He twirled to look again at the painting. And then the one beside it.

“That’s right, Noah. These are the originals you stole. The forgeries are still in the piano crate in the basement.”

Paxton was coming unglued. He stepped from painting to painting, shaken, his breath rasping.

Detective Heat continued, “I must say that storage facility you rented is first-rate. Climate-controlled, state-of-the-art fire technology, and very secure. They have the highest definition surveillance cameras I’ve seen. Look at one of the freeze-frames I got off it. It’s a small picture but quite sharp.”

Paxton held out an unsteady hand. Nikki gave him a still-frame print from the storage security camera. He became even more ashen.

“We’re still going over their archives. So far, they have video of you bringing one piece of Matthew Starr’s art into your storage unit about every eight weeks. This particular shot of you was taken a month ago, carrying a very big painting.” She pointed across the room to a large-format canvas. “It’s that one over there.” Paxton didn’t even bother to turn; he just gaped at the photo in his hands. “But that’s not my favorite picture. This is my favorite.”

She nodded to Ochoa, who yanked the shroud off the frame on the wall beside him, revealing a blow-up of another security still. “Time code says it was taken one-point-six seconds after the picture in your hands. That is one jumbo canvas, Mr. Paxton. Too unwieldy and too valuable for one man to risk carrying it by himself. And look who that is coming around the corner helping you by holding the back end.”

Paxton forgot all about the photo in his hands and let it flutter to the floor. He stared in disbelief at the framed surveillance picture on the wall of him carrying the painting, assisted by Vitya Pochenko.

He dropped his head and his body sagged. He fumbled to brace himself on the back of a sofa.

“Noah Paxton, you’re under arrest for the murders of Matthew Starr and Barbara Deerfield.” Nikki turned away from him to Raley and Ochoa. “Cuff hi—”

“Gun,” shouted Roach in tandem. Raley and Ochoa went for their hips. Nikki already had her hand on her Sig in its holster. But when she whirled back to Paxton, he was holding his gun on her.

“He got it from the couch cushion,” said Raley.

“Drop it, Paxton,” said Heat. She didn’t draw but took a step closer, trying to position herself for a disarm. He took two steps back, well out of reach.

“Don’t,” he said. “I’ll do it, I will.” His hand was quaking and Nikki worried he’d fire by accident, so she stayed put. Plus Raley and Ochoa were behind her. If she went for him, she would take the risk that a wild shot might hit one of them.

Her plan was to buy time by keeping Paxton talking. “This isn’t going to work, Noah. It never does.”

“It’s only gonna be ugly,” said Ochoa.

“Don’t be stupid,” added Raley.

“Quiet.” Paxton took another backward step toward the front door.

“I know what you’re doing, you’re trying to think of a way out, but there isn’t one.” Behind her, Nikki could hear the soft rug steps of her two detectives slowly spreading out to flank Paxton. She engaged him to give them time. “You should know there’s a cruiser out front and cops in the lobby. It’s the same detail that’s been tailing you since this morning when Buckley tagged you.”

“You two. Stop. I swear if you move, I’ll start shooting.”

“Do what he says.” Heat turned around to face them and said, “You guys hear me? I mean it.” Nikki used her rotation to block Paxton from seeing her unholster her Sig. She let her hand drop to her side and held the gun tight against the back of her thigh when she faced Paxton again.

Meanwhile, he had retreated another step. His free hand rested on the doorknob. “Everybody back up.”

They held their positions. Nikki continued trying to talk him down, even as she gripped her weapon behind her. “You’re the expert with numbers, right? What do you think your odds are of making the street?”

“Shut up, I’m thinking.”

“No, you’re not thinking.”

His hand started to shake even more. “What’s it matter? I’m screwed.”

“But you’re not dead. Would you rather leave this to your lawyer or your undertaker?”

He pondered a brief moment, moving his lips in some silent inner dialogue. And just when Nikki thought he might have come to his senses, he threw the front door open. She brought her piece up, but Paxton had already lunged behind the door and run out into the hallway.

Everything that happened next happened fast. The door slammed hard as Nikki scrambled for it. Behind her she heard guns clearing holsters, footfalls, and Raley on his walkie-talkie. “Suspect is ten-thirty-two. Suspect is armed, repeat armed, with handgun on sixth floor. Detectives in pursuit.”

Heat slammed her back flat to the wall, shoulder even with the door frame, and her Sig Sauer up in an isosceles stance. “Cover,” she said. Ochoa performed like clockwork. He went low, crouching on one knee, fisting his Smith & Wesson in his right hand and grabbing the knob with his left. “On yours,” he said.

Without pause, Detective Heat calmly said, “Go.”

Ochoa pulled the door and held it open for her. Nikki pivoted around the jamb, squaring her aim up the hall. She stopped, still holding her combat stance, shook her head, and mumbled, “Mother…”

Ochoa and Raley rolled out behind her and stopped, too. Raley spoke quietly into his radio, “All units, we have a hostage.”

Rook was standing halfway up the hall with Paxton snugged behind him holding the gun to his head. He looked at Nikki sheepishly and said, “So, I’m gonna guess it’s Noah.”