“This is completely the prerogative of law enforcement agencies and the court, so we cannot comment on this in any way,” Peskov said.
Earlier it became known about the arrest of Dmitry Kolker.
According to the Novosibirsk State University, he was engaged in the development of radiation sources for medical, environmental and special tasks.
On July 3, members of Kolker's family reported that they had received a telegram announcing his death.