Kimble heads to a conference where Nichols is presenting Provasic. Sykes tracks down and attacks Kimble on an el train. In the struggle, Sykes fatally shoots a transit cop before Kimble subdues him and handcuffs him to a pole. At the conference, Kimble publicly confronts Nichols about falsifying Provasic's medical research and orchestrating the murders. Their ensuing fight leads to the hotel roof before both fall through a skylight and into an elevator shaft. Nichols regains consciousness and attempts to escape through the basement laundry room, chased by Kimble.