As part of our arrangement with Alexander Perepilichnyy, we’d committed to keeping his identity confidential, so I didn’t name him. I simply called him a “person” who’d contacted us. He’d taken a big risk in giving us his evidence, and I wasn’t going to increase that risk any further. Prosecutor Bino let it go, and the interview ended a short while later. My caution surrounding Perepilichnyy turned out to be for naught. Our Russian adversaries had been keeping tabs on the Swiss proceedings, and on that same day in Moscow, Olga Stepanova’s husband published a full-page paid ad in a Russian
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