Flato is mentioned in [[Venona]] transcript #588 of April 29, 1944. Flato's complicity in espionage was corroborated by information exhumed from the NKVD archives in the 1990s. He was also a member of the “Sound” and “Myrna” groups. His codename in the Gorsky memo is "Bob".<ref>Alexander Vassiliev's original Russian hand-written notes titled [http://www.johnearlhaynes.org/page44.html#_ftnref48 "A.Gorsky's Report to S.R. Savchenko, 23 December 1949"].</ref> In another Venona transcript, he is believed to be codename "Char". | Flato is mentioned in [[Venona]] transcript #588 of April 29, 1944. Flato's complicity in espionage was corroborated by information exhumed from the NKVD archives in the 1990s. He was also a member of the “Sound” and “Myrna” groups. His codename in the Gorsky memo is "Bob".<ref>Alexander Vassiliev's original Russian hand-written notes titled [http://www.johnearlhaynes.org/page44.html#_ftnref48 "A.Gorsky's Report to S.R. Savchenko, 23 December 1949"].</ref> In another Venona transcript, he is believed to be codename "Char". |