The Netizen Report originally appears each week on Global Voices Advocacy. Ellery Roberts Biddle, Hae-in Lim and Sarah Myers West contributed to this report.

Global Voices Advocacy's Netizen Report offers an international snapshot of challenges, victories, and emerging trends in Internet rights around the world. This week's report begins in the Twittersphere, where activists in Mexico, Venezuela, and Turkey have faced steep and sometimes fatal consequences for politically charged tweets over the last two weeks.

In Mexico, Maria del Rosario Fuentes Rubio was kidnapped and murdered in the northern border state of Tamaulipas in an apparent warning to citizen journalists reporting on drug-related violence. Photos of her corpse were posted on her Twitter account, which has since been suspended. Fuentes Rubio, who was a doctor, volunteered as a contributor to the citizen media platform Valor por Tamaulipas (Courage for Tamaulipas). An administrator of the platform later described her as “an angel who gave everything, her life, her future, her safety and peace ... for the good of the people of the state.”

In Venezuela, several users were arrested for sending tweets that police allege link them to the assassination of Robert Serra, a 27-year-old Socialist Party deputy who was found stabbed to death in his home on Oct. 1. All of those detained have voiced criticism of the current government on Twitter. Inés Margarita González (@inesitaterrible), a prominent voice on political issues, was detained and charged with "inciting crime" after tweeting her opinion on Serra's killing. She is currently being held incommunicado. 

The Turkish government briefly detained journalist Aytekin Gezici for tweets criticizing government officials and raided Gezici’s home, searching his computer, cell phone, camera and other electronics. Many believe this is the first use of Turkey’s new “reasonable doubt" rule, a pending amendment to the country's criminal code that will lower the threshold requirement for authorities to search and seize property in a criminal investigation. Now, rather than needing to show "strong suspicion based on concrete evidence", authorities must simply prove that they have a reasonable doubt of the suspect's innocence in order to obtain a search warrant.

China’s anti-rumor campaign continues
Daqin, a news website run by Tencent in Shaanxi province, is the latest casualty in China’s crackdown on “online rumors.” The site will be closed for seven days for its “lack of control on contents,” according to the Shaanxi Internet Information Office.

Hacks, hackers, and Russia’s proposed Internet fast lane
Russia may implement its own Internet fast lane as its Federal Anti-Monopoly Service considers allowing Internet service providers to collect fees from websites to prioritize delivery of their content. Citing the U.S. Federal Communications Commission, the FAS claims the fees would enable ISPs to make much-needed investments in national telecom infrastructure. But media freedom advocates argue they will endanger for the country’s already-threatened independent media space.

Russian hackers were able to spy on several Western governments, NATO, and the Ukrainian government, among others, by exploiting vulnerabilities in Microsoft Windows, according to a report by computer security firm iSight Partners. It is unclear what information might have been retrieved through the attacks, which started as early as 2009 and ramped up this summer, but they were often tied to escalations in the standoff in Ukraine.