1. Former Russian military officer Konstantin Yefremov has admitted to witnessing torture and mistreatment of Ukrainian prisoners during his deployment in Ukraine.
2. The BBC has verified that he was in Ukraine early in the war, including the city of Melitopol, using photographs and military documents supplied by Mr Yefremov.
3. Mr Yefremov also described looting by Russian troops, including taking away a lawnmower and bicycles, as well as hunting for rabbits and pheasants while they were stationed at an airfield.
The article is generally reliable and trustworthy, as it provides evidence to back up its claims with photographs and military documents supplied by Mr Yefremov. It also presents both sides of the story fairly, noting that Mr Yefremov tried to resign from the army numerous times but was dismissed for refusing to return to Ukraine, as well as providing details about his anti-war stance and his work in mine clearance in Chechnya. However, there are some potential biases present in the article which should be noted. For example, it does not explore any counterarguments or provide any evidence for the claims made by Mr Yefremov other than his own testimony. Additionally, it does not mention any possible risks associated with speaking out against Russia's actions in Ukraine or any potential repercussions he may face for doing so. Furthermore, it does not provide any context or background information about the conflict between Russia and Ukraine which could help readers better understand the situation.