Ukrainian POWs die in Russian prisons; autopsies reveal brutality

In some cases, internal organs are missing. Other times, it appears as if bruises or injuries have been hidden or removed.

Ukrainian officials believe the mutilation of bodies is an effort by Russia to conceal the true causes of death. Extreme decomposition is another obstacle, officials say.

I was initially guessing organ harvesting - but not following the “concealing” comment. Unless they’re just gassing/poisoning them(?)