Sep 10, 2025 · 17m
Anabolic steroids are freely available online. Influencers encourage their followers to use steroid on Instagram and TikTok and they are easy to order on Telegram. How can a dangerous substance be so easy to get hold of?


Investigative Journalism from ARTE
Data Sources goes beyond the official version in search of the truth: human rights violations, institutional failures, affairs of state, abuses of power and the criminal exploitation of the planet... ARTE’s digital investigative magazine takes you beyond the headlines.
Browse every episode and jump into details.
Sep 10, 2025 · 17m
Anabolic steroids are freely available online. Influencers encourage their followers to use steroid on Instagram and TikTok and they are easy to order on Telegram. How can a dangerous substance be so easy to get hold of?
Oct 18, 2025 · 24m
High-resolution cameras, facial recognition software, state-of-the-art video surveillance centres: Data Sources reveals how Western companies are helping the authoritarian regime in Kazakhstan to create a mass surveillance system.
Nov 12, 2025 · 18m
Citizens of North Korea trying to flee the country risk their lives. The route through neighbouring China has become a trap as Beijing tracks and deports North Koreans back home with the help of the latest technology.
Dec 10, 2025 · 14m
How does a small circle close to the government dominate Hungary’s economy? Data Sources investigates the richest man in the country, a childhood friend of Viktor Orban, and how European funds are being used for dubious projects.
Jan 13, 2026 · 21m
Lack of transparency, lax controls, money laundering: Are neobanks encouraging financial fraud and identity abuse? A look at the downside of the banking revolution. Over the last decade, the banking sector has experienced a digital revolution. Apps have replaced branches, chatbots have replaced advisors, and hundreds of new players have flooded the market. But the miraculous transformation of the banking sector also harbors dangers. Data Sources investigated the downside of the banking revolution.
Feb 11, 2026 · 19m
This is a French group that, in theory, has nothing to do with the defense sector: it specializes in commodities trading and sugar production. In Russia, it has about fifteen facilities and employs 4,000 people.
Quick answers about this season's release timeline and episode lineup.
Data Sources Season 4 premiered on September 10, 2025.
Data Sources Season 4 has 6 episodes.
The season opens with Season 4 Episode 1, "Anabolic Steroids: The Muscle Market". It aired on September 10, 2025.
Go to Season 4 Episode 1