Anton Herashchenko, a lawmaker and interior minister adviser, told Censor.NET correspondent on the sidelines of the Verkhovna Rada.
"He is a citizen of Ukraine," Herashchenko said.
Former Deputy of the State Duma of the Russian Federation Denys Voronenkov was shot dead in downtown Kyiv. The hitman also managed to injure Voronenkov's bodyguard. The incident took place outside Kyiv's Premier Palace Hotel.
Voronenkov was a witness in the treason case against fugitive Ukrainian president Viktor Yanukovych. In his recent interview with Censor.NET Voronenkov said that Yanukovych was a traitor "who was involved in mass slaughter, who had fled to the foreign country and urged foreign troops to slay his people. I believe this person should have received not asylum but a fair trial in Russia."
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