Shortly before Vladimir Putin was re-elected for a fifth term as Russia’s president he eliminated his last possible rival for power, Alexei Navalny, who from all available evidence was murdered in an Arctic labour camp. The deaths of dozens of Putin's opponents, often in mysterious circumstances, have been a hallmark of his time in office. Tortoise’s Giles Whittell sets out to find out why so many of Putin’s enemies have met an early end.This is episode 1 of Putin's Murders from Tortoise. You can listen to episodes 2 and 3 wherever you get your podcasts by searching for The Slow Newscast.