Syphon Filter: The Omega Strain Walkthrough Part 11: Murakawa Tower

Cobra joins Lian Xing as she arrives to the corporate headquarters of Murakawa Industries, his mission being to assist her with tracking down and destroying another Syphon Filter research facility hidden somewhere in the building. With the corporation being an front led by a yakuza leader named Murakawa, Cobra finds himself fighting his way through numerous yakuza thugs patrolling the building. After eventually gaining access to the building's top floor and entering Murakawa's office, Cobra discovers that Murakawa has committed suicide by shooting himself at his own office desk. Continuing on towards the building's rooftop, Cobra finds his way into the hidden laboratory and, despite failing to acquire the viral sample kept within due to the laboratory technician locking himself with it, proceeds to leave the explosives meant to destroy the building. As they leave the building just before the explosives left by Cobra detonate, Cobra and Lian are contacted by Teressa who informs them that the commercial flight carrying Imami Gray and Yong-Jun-Kim was shot down, killing everyone onboard...