“He bravely stood up to the corruption, the violence and all the bad things that the Putin government was doing,” Biden said. “In response, Putin had him poisoned, he had him arrested, he had him prosecuted for fabricated crimes, he sentenced him to prison, he held him in isolation … Even in prison he was a powerful voice for the truth.”

 

https://amp.theguardian.com/world/2024/feb/16/russian-activist-and-putin-critic-alexei-navalny-dies-in-prison