re: One thing I can't figure out about Sicario *Spoilers*

quote:

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So what? That's not the part that doesn't make sense. It's obvious why he needed Manuel Diaz (i.e., to take him to the boss). But why did he need to sneak in through the tunnel?

Couldn't he just as easily have crossed the border somewhere else, gotten in a random police car, pulled over Manuel Diaz, and had him take him to the cartel boss? I don't understand the point of the tunnel and the diversion.

Everything he did could've been done without the tunnel. Unless I'm missing something.

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They probably didn't trust Mexican border patrol and needed to insert him without anyone seeing or reporting who was getting in there. As I understood it, his character was a well-known prosecutor/politician in northern Mexico. They had to get him in without anyone who could possibly report seeing him and quickly.