McMurphy actually admits that he is sane: "I""m a god-damn marvel of modern science." But he agrees to cooperate during a period of evaluation, study, and treatment of his condition:I""m here to cooperate with ya a hundred percent." Her mission, she explains, is to stop a ruthless chief spy""s smuggling of Air Ministry military secrets out of England to the enemy.Devlin: Just wanted to be friends.Alicia: Friends, yeah.You could frame me, hmm?Devlin: No, I""ve got a job for ya.Alicia: (unsteadily) Oh well, don""t tell me.There""s only, oh, here""s only one job that you coppers would want me for.Well you can forget it Mr....Devlin: Devlin.Alicia: What?Devlin: Devlin.Alicia: I""m no stool-pigeon, Mr.Devlin.Devlin: My department authorized me to engage you to do some work for us.There""s a job in Brazil.Alicia: Oh, go away.The whole thing bores me.Devlin: Some of the German gentry who are paying your father are working in Rio.Ever hear of the I.G.Farben Industries?Alicia: I tell you, I""m not interested.Devlin: Farben has men in South America, planted there before he war.They""re cooperating with the Brazilian government to smoke them out.My chief thinks that the daughter of a, uh...Alicia: A traitor?Devlin: Well, he thinks you might be valuable in the work.They might sell their trust to you.And you could make up a little for your daddy""s peculiarities.Alicia: Why should I?Devlin: Patriotism.Alicia: That word gives me a pain.No thank you.I don""t go for patriotism, nor, or patriots.Devlin: I could dispute that with you.Alicia: Waving the flag with one hand and picking pockets with he other.That""s your patriotism.Well, you can have it.After her initial reluctance, Devlin must contradict her claims to persuade and convince the "hard-boiled" lady o atone for her father""s sins and accept his offer.Cortez planned a deadly plot to ambush the US convoy in a closed-off street, and in the film""s most elaborate and spectacular set-piece, the four-vehicle convoy of US officials was trapped in a narrow street, caught in the middle of gunfire and bazooka-missiles, and everyone except Ryan was either wounded or killed in the intense battle, including Jacobs.