Navalny is the last of a long list of Putin Critics’ Suspicious deaths

Suspicious deaths of Putin critics include [compiled by Perplexity]

1. Alexander Litvinenko, a former Russian spy who defected and was a prominent Putin critic, was murdered with polonium-210 in London in 2006[2].
2. Anna Politkovskaya, an investigative journalist, was shot dead in her Moscow apartment building in 2006[1][3].
3. Boris Nemtsov, a vocal critic of Putin’s government, was shot dead on a bridge near the Kremlin in 2015[1][4].
4. Sergei Magnitsky, a lawyer and auditor who exposed a massive tax fraud scheme involving Russian officials, was arrested, imprisoned, and denied medical treatment before dying in custody following severe beatings and medical neglect in 2009[1].
5. Mikhail Lesin, a former Russian press minister and media executive, was found dead in a Washington, D.C. hotel room in 2015. The official cause of death was ruled as accidental blunt force injuries, but questions persist about the circumstances[1].
6. Stanislav Markelov and human rights lawyer Anastasia Baburova were assassinated in Moscow alongside journalist Markelov in 2009[1].
7. Natalia Estemirova, an investigative journalist, was abducted and found dead in Chechnya in 2009[1].
8. Boris Berezovsky, a wealthy businessman, oligarch, and former ally of Putin, was found dead in his home in Berkshire, England, in 2013. The official cause of death was ruled as suicide, but suspicions remain due to his high-profile opposition activities[1].
9. Yuri Shchekochikhin, a journalist, writer, and member of the Russian State Duma, was found dead in 2003. He investigated corruption, organized crime, and human rights abuses[1].
10. Alexei Navalny, a prominent critic of Vladimir Putin, died in prison in 2024. The Russian prison service reported that he felt unwell after a walk and lost consciousness[1].

For more detailed information, you can refer to the sources provided.

Citations:
[1] https://www.newsweek.com/putin-critics-dead-full-list-navalny-1870692
[2] https://en.wikipedia.org/wiki/Alexander_Litvinenko
[3] https://en.wikipedia.org/wiki/Anna_Politkovskaya
[4] https://en.wikipedia.org/wiki/Assassination_of_Boris_Nemtsov
[5] https://kyivindependent.com/navalnys-death-preceded-by-long-list-of-putin-critics-murders/
[6] https://en.wikipedia.org/wiki/Poisoning_of_Alexander_Litvinenko
[7] https://en.wikipedia.org/wiki/Assassination_of_Anna_Politkovskaya
[8] https://www.ndtv.com/world-news/alexei-navalny-to-yevgeny-prigozhin-heres-a-list-of-putin-critics-who-died-mysteriously-5074087
[9] https://www.britannica.com/biography/Alexander-Litvinenko
[10] https://www.aljazeera.com/news/2023/11/14/russian-convicted-over-journalist-anna-politkovskayas-murder-pardoned
[11] https://en.wikipedia.org/wiki/Suspicious_deaths_of_Russian_businesspeople_(2022%E2%80%932024)
[12] https://www.theguardian.com/world/2022/jun/04/alexander-litvinenko-assassination-suspect-dies-of-covid-dmitry-kovtun
[13] https://www.bbc.com/news/world-europe-67414517
[14] https://www.washingtonpost.com/news/worldviews/wp/2017/03/23/here-are-ten-critics-of-vladimir-putin-who-died-violently-or-in-suspicious-ways/
[15] https://www.npr.org/2021/09/21/1039224996/russia-alexander-litvinenko-european-court-human-rights-putin
[16] https://www.nytimes.com/2023/11/14/world/europe/anna-politkovskaya-profile.html
[17] https://www.independent.co.uk/news/world/europe/alexei-navalny-death-putin-prigozhin-b2497479.html
[18] https://www.dw.com/en/poison-spies-and-businessmen-the-litvinenko-murder-case-15-years-on/a-59910692
[19] https://www.theguardian.com/world/2016/oct/05/ten-years-putin-press-kremlin-grip-russia-media-tightens
[20] https://www.npr.org/2024/02/16/1232050539/alexei-navalny-death-russia-putin-critics
[21] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1676125/
[22] https://apnews.com/article/russia-journalist-anna-politkovskaya-war-ukraine-d211021bcb2d6f3ba5b540f4bf4a2e28
[23] https://www.euronews.com/2022/09/22/accidental-defenestration-and-murder-suicides-too-common-among-russian-oligarchs-and-putin
[24] https://www.bbc.com/news/world-europe-61690519
[25] https://www.rferl.org/a/russia-politkovskaya-murder-putin/31496138.html