Oswald in the doorway: the blog of the Oswald Innocence Campaign, by Ralph Cinque

If Oswald had gone to Mexico City, they would not have had to resort to these goofy images of these idiots posing as him there.

The fact that these goofy images exist and are part of the official record tells you that Oswald didn't go there. If he went there, they'd have images of him.