Since January 2022, dozens of Russia's wealthiest oligarchs and power brokers have died suddenly. One was poisoned with frog venom. Two killed their whole families. Several fell out of high windows. Most of the deaths are suspicious. Russia says they're coincidental suicides—that the deceased were simply depressed. We don't think so...

Sad Oligarch is an investigative podcast series that looks into the strange deaths of the Russian elite, unravelling a dark tale of Kremlin corruption and Putin's political dictatorship across the world. This is season two—Russian oligarchs are still dying and things have gotten even weirder...