Shishimarin, with a shaved head, wore a grey and blue hoodie. Also placed in the defendant’s box, in a video post by Ukrainian media.
He faces possible life imprisonment on charges of war crimes and premeditated murder. The trial marks a significant moment for Ukraine. Where Russian forces have accused of killing hundreds of civilians since the war began on February 24.
Shishimarin is accuse of firing an automatic rifle from a car window. Killing the civilian to prevent him from serving as a witness to a carjacking, Ukrainian prosecutors said earlier this week.
Prosecutor Yaroslav Ushchapivskiy told privately-owned Ukrainska Pravda that Shishimarin had admitted his guilt and agreed to cooperate with the investigation.
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After his convoy hit in northern Ukraine on February 28. Shishimarin joined four other fleeing soldiers and stole a car from outside the village of Chupakhivka, Ukraine says. The civilian, who not named, riding his bicycle on the side of the road not far from his home when the alleged theft took place. According to prosecutors.