Worried that the Soviets might try to kill Chambers too , Berle again told the FBI about his interview with Chambers .
While police ruled the death a suicide , it was widely speculated that Krivitsky had been killed by Soviet intelligence .
Worried that the Soviet might try to kill Chambers too , Berle again told the FBI about his interview with Chambers .
While police ruled the death a suicide , it was widely speculated that Krivitsky had been killed by Soviet intelligence .