Claim: Russian dissident Denis Voronenkov, who was gunned down in March 2017, was slated to testify against former Trump campaign manager Paul Manafort in a treason trial in Ukraine.
Fact-check: FACT CHECK: Was Murdered Russian Ex-Politician Voronenkov Expected to Testify Against Paul Manafort in Treason Trial?
Verdict: Unproven
Organisation: Snopes
Author: David Emery
Date published: 2017-03-25T15:01:37