Border crossing jokes

Why can't Mexicans cross the border? They always sneak powder in.

What's a Mexican's favorite song?

"I Walk the Line."

I was going from Germany to Austria, and I accidentally crossed the border illegally. When the police caught me, they told me I was a Nazi. I asked them, "Why?" They said I didn't see the border.

Yo mama so fat, she crosses every border.

Why did the chicken cross to the U.S. from Mexico?

To get to the U.S., but he had to show his papers first.