Aleksei Navalny, Russia's prominent opposition leader, died in a remote prison, marking the end of a daring political career. Despite imprisonment and a poisoning attempt, Navalny remained a vocal critic of Putin, sparking widespread opposition. His death prompted global mourning and accusations of Putin's responsibility. Navalny's aides suspect foul play, while the Kremlin downplays foreign blame. With Navalny's death, the future of Russian opposition remains uncertain, posing a challenge to Putin's regime.