![](https://ichef.bbci.co.uk/news/1024/branded_news/97A3/production/_124991883_michaelsussman.jpg)
A former federal prosecutor, Mr Sussman had been charged by special counsel John Durham, a US government attorney appointed by then-President Donald Trump’s justice department in 2019 to investigate potential illegalities in the government’s handling of investigations into Mr Trump’s 2016 presidential campaign.