Track officials bribed to keep tests a secret False identities adopted to avoid testing Secret service intimidated lab workers

The former director of the medical and anti-doping division of the International Association of Athletics Federations IAAF), is also under investigation, the French said, along with Diack’s legal adviser.

Russian athletes, in soaring numbers, have been caught doping in recent years. Russia had far more drug violations than any other country in 2013 — 225, or 12% of all violations globally, according to data from Wada. About a fifth of Russia’s infractions involved track and field athletes, the focus of the report.

“This level of corruption attacks sport at its core,” Richard H McLaren, a Canadian lawyer and an author of the report, said this week. In contrast to corporate governance scandals like those currently affecting world soccer, he said, drug use by athletes has distorted the essence of professional games.

The report was the result of a 10-month investigation by an independent commission of Wada. Its inquiry stemmed from a De- cember 2014 documentary by the German public broadcaster ARD, which drew on accounts from Russian athletes, coaches and anti-doping officials, who said that the Russian government had helped procure drugs for athletes and cover up positive test results.

Further allegations emerged in August, when ARD and The Sunday Times of London released another report more broadly covering the leaked results of thousands of international athletes’ blood tests dating to 2001, showing decorated athletes in good standing with suspicious drug tests. Those allegations — which drew significant suspicion to Kenya — are also being investigated by the independent commission, but the results were not included in Monday’s report, as the inquiry is not complete, the agency said.

The three-person commission, led by Pound, also included McLaren, who teaches law at the University of Western Ontario,