Petro Kolyada, deputy minister of internal affairs, says there were two shots (via Ukrainska Pravda):

"This is what I've been told by an officer on duty - that there'd been two shots," Kolyada told the journalists.

He also said there were two wounds on Kravchenko's body.

"They say there were two wounds," Kolyada said. At the same time, he noted that he hadn't been at the place of [the alleged suicide], but that the deputy prosecutor general Victor Shokin had. That's why Kolyada cannot explain how the body of someone who committed a suicide could have two wounds.

"There are lethal and non-lethal wounds," said Kolyada.

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This all reminds me of the time in August, when the Russian law enforcement spent three days or so pretending they could not determine that the two planes went down almost simultaneously as a result of terrorist attacks.