[Wikus enters an MNU code and the gate opens]
[an MNU agent shoots several bullets at Wikus, causing him to pull the trigger of his Alien gun and shoot the agent]
Christopher Johnson: [the MNU agent explodes] Fuck!
[Wikus takes off his mask and checks his vest]
Christopher Johnson: I thought you said not to kill them?
Wikus Van De Merwe: He shot at me!