Don't get it.
If I thought aliens who are not from Mexico but from say, Andromeda or something were invading, it would stand to reason they had technology that transcended thermonuclear weapons for their propulsion systems. Ergo, to what end would I call the police to try and subdue them with pea-shooters?
Wouldn't it make more sense to have someone with superior communication ability-like, for instance, me-to attempt first contact?