wants to silence, fighting for his life tonight in a brutal russian penal colony. putin opposition leader alexei navalny was poisoned with a nerve agent and miraculously survived, an assassination attempt that cnn helped trace back to a russian intelligence unit. i understand that putin hates me, and i understand that these people who are sitting in the kremlin, they are ready to kill. i ll speak to his daughter, dasha, about what she s hearing from her father and why her family was ready for this fight. if he didn t go back, i would say, you need to go back and fight. plus, i ll be joined by christo grow excessive, an investigative journalist who helped crack the case on navalny s would-be assassins. and i ll alexei navalny is far from alone. wile have a special report on putin s other political enemies. good evening. i m erin burnett. welcome to navalny and the cost of standing up to putin. for top opposition leader alexei navalny, it nearly cost him his life, a
the whole idea of poisoning with a chemical weapon, this is why this is so smart. before i speak to alexei navalny s daughter, dascha, in an exclusive interview, i want to go to clarissa ward, who played a krush role in exposing the men behind the plot to kill navalny. navalny tonight is in solitary confinement. at least eight years of his sentence yet to serve. what can you tell us about his condition tonight? reporter: good evening, erin. navalny s lawyers are warning that his health has been steadily deteriorating since he s been in prison. they say he s lost more than 15 pounds, that he s having crippling stomach pains because he s being improperly prescribed very strong antibiotics. the u.s. and the eu have said he must be released and given immediate medical care. alexei navalny in 2017, taking