Bill Browder rose from rebellious grandson of the former head of the Communist Party USA, Earl Browder, to the leading foreign capitalist in Russia, as the founder and CEO of the high-flying hedge fund Hermitage Capital Management. But his rise was matched by a brutal and deadly fall, in which the Russian government would steal and destroy Browder’s company, and physically threaten its employees, culminating in the imprisonment, torture and death of Browder’s lawyer Sergei Magnitsky — the man for whom on account of Browder’s lobbying, the Magnitsky Act was named. Browder and a deceased Magnitsky would both be convicted...