Sometimes you just run into a string of things at a blog

all of which should be spread around. So from a link Tam had to Popehat, we get in total
Idiocy from the Border Patrol, which should really be more worried about the AG and DHS and others trying to get BP agents killed;

The general rule for good health(it seems) when talking to law enforcement: "Shut up."

Various idiocy from LE organizations. Which seems to include "If you don't have something to hide, then you'll tell us whatever we ask. Like it or not." Quote from linked post:
A spokesman for the D.C. police, who had not seen the film, said the rules are good rules to follow. “However,” he said, “if you have nothing to hide and police are doing some kind of investigation, you should tell them whatever they need to know. Police are there to protect the society and the community in which we work.”
And who decides what they 'need to know'? You sure as hell don't.
Also, from Cato: Ten rules for dealing with police