Russia said Friday it was opening a criminal case against Meta for “calling for the murder” of Russians, saying the parent company of Facebook and Instagram had relaxed rules on violent messages aimed at Russia’s army and leaders. Russia’s Investigative Committee, which probes major crimes, said it was launching an investigation “due to illegal calls for the murder of Russian nationals by employees of the American company Meta.” Russia’s General Prosecutor’s Office also requested that the internet giant be branded “extremist” and called for Instagram to be blocked in the country. The announc…