After their arrest, the Sobles were interviewed numerous times, Jack at the Federal Correction Facility in Danbury, Connecticut and Myra at the Women's House of Detention, in New York City, where they provided some information. They were questioned about members of the Rosenberg spy ring, but they both denied knowing many of the members. The Sobles revealed that they had traveled to Russia, Lithuania, Germany, France, Switzerland, Austria, Japan, Canada, and the United States on behalf of Soviet intelligence. On a mission to gather intelligence on Stalin opponent Leon Trotsky, Soble visited Trotsky in Turkey in 1931 and in Copenhagen, Denmark, a year later.