Robert Mueller, the prosecutor who investigated Trump during his first term for collusion with Russia in the elections, has died.

Robert Mueller, the former director of the FBI, died on Friday at the age of 81, according to a statement from his family. He led the FBI from 2001 to 2013, a period marked by the September 11 attacks and major reforms within the agency. Mueller was a supporter of civil liberties, playing a crucial role in exposing abuses in CIA prisons and challenging the NSA surveillance program approved by President George Bush.

After leaving the FBI, he was appointed special prosecutor to investigate the links between Donald Trump's campaign and Russia, concluding that Russia interfered in the elections, but without exonerating the president from obstruction of justice. His report generated intense discussions and controversy, having a significant impact on American politics. His death marks the end of a remarkable career in public service.