Hear Alexey Navalny's chief of staff's message to Biden
Hear Alexey Navalny's chief of staff's message to Biden

Leonid Volkov, chief of staff to Kremlin critic Alexey Navalny, speaks to CNN’s Becky Anderson as Navalny appeared in a Moscow court on February 2.

Navalny was detained two weeks ago upon his return to Moscow from Berlin, accused of failing to meet his parole terms under a 2014 suspended sentence for embezzlement – a case Navalny has dismissed as politically motivated.