[2] In April 1923 Conradi attempted an assassination of Soviet People's Commissar of Foreign Affairs Georgy Chicherin while he visited Germany, but unable to find him he returned to Geneva.

[citation needed] Vatslav Vorovsky, Ivan Ariens [ru] and Maxim Divilkovsky were envoys of the Bolshevik government to the Conference of Lausanne.

[3] On 10 May 1923 Conradi and his companion Arkady Polunin [ru] (Аркадий Павлович Полунин) (Polonnine in French and court transcriptions) entered the restaurant of the Hotel Cécil, shooting the Bolshevik delegation.

"[4] The Swiss Federal Council was "outrage[d]" by the assassination, but decided to treat it as a local crime rather than an international incident.

[5] Swiss-Soviet relations had been tense for years;[6] Soviet foreign secretary Georgy Chicherin told the Federal Council that in denying Vorovsky official recognition and protection, they had "heavy and absolutely obvious responsibility" for the murder.

"[9] The prosecution responded to this with witnesses including an Italian communist and a Bolshevik military official testifying about how happy life in Soviet Russia became after the Revolution.

However, he returned to his family's home canton of Graubünden, got remarried in 1942 to Regula Wickerlin, and died on 7 February 1947 in Chur.

[1] Ariens and Divilkovsky, the survivors of the assassination plot, returned to the Soviet Union and held various positions in the administration.