 Urged on by Pierce, Zhao orders the remaining personnel to evacuate via helicopter, but Pierce reveals he is also an agent for Botha, killing all but Zhao, who escapes into his penthouse apartment, locking it down from any intrusion.Inspector Wu leads the local police to secure the Pearl and capture Sawyer, who is believed to be behind the incidents.Sawyer evades them and makes his way into the Pearl above the fire barrier via construction equipment from a neighboring building.