They'd call a local CSS office, get transferred, and talk to the section chief.
There aren't any patent laws against improvement on a device.
Has anyone considered the possibility that he was killed by someone other than the Guatemalan president? Like, say, a family member with an axe to grind?
This frees up farm laborers to attend to other intellectual pursuits, or other tasks which robots are as-yet unable to do. You incorrectly assume that those humans will suddenly stop consuming food if they are not employed in the fields.
You're forced to create an account and then send pdfs and text files to an email associated with the account for a fee ($0.20 per file or something like that). It's difficult, and Amazon has everything locked down.