"Oh, them? Meester and Meeses Seigert. Artists. Sheesa paint pictures, heesa make statues." Then Amati's eyes widened knowingly. "Ohhh! You guys da Vice Squad, eh? I theenk theresa someteeng fonny about them!" Footsteps sounded coming down the stairs from above. "We watched the indicator needle on the elevator door in the lobby, and I signalled the 'copters on the roof," Lansberg whispered. The hallway began to fill quietly with police. Lieutenant Carnotti assigned one of the men to watch Amati, mainly in order to keep him out of the way, and Karnes led the men down the hall towards 523, guns drawn. Karnes knocked boldly on the door. "Yeah? Who is it?" asked someone inside. Karnes pitched his voice a little lower than normal, and said: "It's-a me, Meester Amati, only me, the soopratendant." The imitation wasn't perfect, but the muffling effect of the door would offset any imperfections. "Oh, sure, Mr. Amati. Just a sec." There was a short pause, filled with muffled conversation, then somebody was unlocking the door. Things began to happen fast. As the door came open, Karnes saw that it had one of those inside chain locks on it that permit the door to be opened only a few inches. Without hesitation, he threw his weight against the door. Lansberg was right behind him. Under the combined weight of the two men, the chain ripped out of the woodwork, permitting the door to swing free. As it did so, it slammed into the face of the man who had opened it, knocking him backwards. There were seven or eight other men and two women in the room. One of the men already had a heavy pistol out and was aiming it at the doorway. Karnes dropped to the floor and fired just as the other's pistol went off. The high-velocity three millimeter slug whined through the air above Karnes' head and buried itself in Lansberg's shoulder. Lansberg dropped, spun halfway around from the shock. His knees hit Karnes in the back. Karnes lurched forward a little, and regained his balance. Something flew out of his coat pocket and skittered across the floor. Karnes didn't notice what it was until one of