Law enforcement said Ulbricht created the “most sophisticated and extensive criminal marketplace” on the internet.

Ulbricht was sentenced to life in prison in 2015 on charges related to his website, where users could buy and sell drugs and other illegal goods with bitcoin.

Donald Trump announced on Tuesday that he has pardoned Ross Ulbricht, the founder of Silk Road, an underground website for selling illegal drugs and other contraband goods like hacking equipment and stolen passports.