Tunnels have run under Gaza for decades. But when Hamas took over, the underground network expanded into what Israel calls its biggest military threat. We decoded the long history of the Gaza tunnels to find out what makes it so hard to destroy.
Experts say there has been an unprecedented number of fake claims about the Israel-Hamas war circulating online. Bellingcat's open-source investigators showed us how they find out the truth.
North Korean dictator Kim Jong Un travels abroad in a bulletproof train that's been used for generations. Archival footage and an expert reveal the root of the family's paranoia and what goes on inside the "Moving Fortress."