How does rational choice theory explain criminal behavior?

Part C
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Answer the following questions:
Cesare Beccaria’s view of crime was that actors make the rational choice to break the law by weighing both benefits and costs; if the personal benefit outweighs the potential cost – punishment, then the actor will commit the crime. Therefore, Beccaria viewed deterrence as a careful science of matching crimes to punishments such that the cost-benefit analysis reliably discourages lawbreaking. This theory emphasizes personal choice in the commission of crime while almost completely discounting environmental factors. The film Double Indemnity shows this exact rational choice process for Walter Neff, an insurance salesman who decides to commit murder for love and money, and suffers dire consequences for his decision. Modern criminology, however, recognizes that the few crimes are purely rational; all are shaped by the environment in which they are committed.
1) How does rational choice theory explain criminal behavior?
2)Are there relevant factors that rational choice theory does not address? How do these omissions affect the theory’s validity?
3) How is rational choice theory represented in Double Indemnity?
4) What factors does Walter Neff consider while contemplating murder? Are there influences beyond his free will that led to the crime?