MOSCOW (AP) — Mourners gathered in Moscow Monday to mark two years since the death in custody of Russian opposition leader Alexei Navalny , under the shadow of a Kremlin crackdown and just two days since a new analysis reinforced suspicions that he was killed by poisoning. Navalny died in an Arctic penal colony on Feb. 16, 2024, while serving a 19-year sentence that many believed to be politically motivated. His death at the age of 47 left the Russian opposition leaderless and divided,