Three of the world’s most important leaders have been put in danger due to their security guards’ use of a sports social media, Strava.

Part 1: How Emmanuel Macron can be tracked
Part 2: Biden and Trump put in danger by Secret Service agents
Part 3: Putin’s bodyguards runs
near palace he denies owning

Part 4: Dates of French nuclear submarine patrols revealed by careless crew members

Credits
Producers & investigators: S. Bourdon, A. Schirer
Data mining: A. Schirer
Video editing: A. Schirer, E. Costard
Motion design: A. Vande Casteele, A. Schirer
Story editors: A. Balluffier, G. Allix