Argentinian programmer raided after pointing out a flaw in an e-voting system.

The Register
Original Source La Nacion (Spanish)

"Argentinian police have reportedly raided a programmer who went public with vulnerabilities in the electronic voting system used in Buenos Aires elections last June.
Joaquín Sorianello has told La Nacion that police raided both his home and that of a friend, looking for computers and storage devices."

"It seems that Sorianello is being arrested not for finding the bugs or hacking the system, but for passing on the Twitter-stream of a locked Twitter account @fraudvoter. Sorianello denied any wrongdoing to La Nacion. He also made what appears to be a big mistake: having seen information about the flaws, Sorianello contact the company in charge of the systems to warn them.
"If I wanted to hack or do something harmful I would not have told the company", he said to La Nacion."