Borys Yukhymovych Steklyar Ukrainian: Бори́с Юхи́мович Стекляр, Russian: Борис Ефимович Стекляр (29 January 1923, Novohrad-Volynskyi – 18 January 2018, Rivne) was colonel of Committee for State Security of USSR, he was one of the main specialists in combating Ukrainian Insurgent Army in Rivne region.
[1] In 2017 he was accused of the murder of two or more persons in March 1952, including artist and member of Volyn regional OUN propaganda Referenty Nil Khasevych and two of his colleagues.
During the retreat at Uman he received shrapnel wounds to the head, after which he was transferred to the city Akbulak of Orenburg Oblast.
[3] Steklyar studied at Novosibirsk School of Counterintelligence of People's Commissariat of Defense [uk] SMERSH, from which he graduated with honors.
Nil Khasevych was the artist of OUN and UPA, an author of propaganda graphical materials distributed in the West, including the UN.
[7] Later analysis of the personal file and archive documents revealed that KGB colonel Boris Steklyar who participated in the liquidation of the underground artist of UPA Nil Khasevych in 1960 performing operational duties against Ukrainian nationalists in Soviet concentration camps.
As historian of Liberation Movement Research Center, the former deputy director of the SBU archive Vladimir Birchak stated, "measures", in which Steklyar participated in the camps likely have been something more serious than "showing the achievements of the USSR".[8][relevant?]