Félicien Kabuga, one of the most needed suspects in the Rwandan destruction, has been captured close to Paris, the French equity service has declared.
Mr Kabuga was kept by gendarmes in Asnières-sur-Seine, where he had been living under a bogus character.
The International Criminal Tribunal for Rwanda has charged the 84-year-old with massacre and violations against humankind.
He is affirmed to have been the fundamental lender of the ethnic Hutu radicals who butchered 800,000 individuals in 1994.
They were focusing on individuals from the minority Tutsi people group, just as their political adversaries.
The United States had offered a $5m (£4.1m) compensation for data prompting Mr Kabuga’s capture.
Who is Félicien Kabuga?
By Will Ross, Africa manager, BBC World Service
The businessperson from the Hutu ethnic gathering is blamed for being one of the principle agents of the Rwandan annihilation, paying for the local armies that did the slaughters.
He likewise established and supported the famous Radio Télévision Libre des Mille Collines (RTLM), a Rwandan supporter that effectively urged individuals to look out and murder any individual who was from the Tutsi ethnic gathering.
Media captionBBC News reports show how the narrative of the slaughter developed
The way that he has been found on the edges of Paris living under a bogus name is amazing.
For a long time, Félicien Kabuga was believed to be living in Kenya, where ground-breaking lawmakers were blamed for obstructing endeavors to get him captured.
In excess of a fourth of a century after the destruction, he will go being investigated at a global court.