[6] Handziuk was a critic of the security authorities and especially condemned corruption in the regional department of Ministry of Internal Affairs.

"[10] Handziuk first received treatment at a local hospital but was transferred to a special medical institution in Kyiv soon afterward.

[11] Ukrainian President Petro Poroshenko confirmed in the evening of the same day the death of Handziuk in a Kyiv hospital.

[12] After the announcement of her death, there was a spontaneous mourning in the Ukrainian capital, in which hundreds of demonstrators moved to the Ministry of Interior and demanded the complete investigation of the murder.

[12] Former United States Ambassador to Ukraine Marie Yovanovitch mentioned in testimony on 15 November 2019 before the United States House Permanent Select Committee on Intelligence impeachment inquiry against Donald Trump that she was honoring Kateryna Handziuk on 25 April, when she received a phone call from Washington, DC to leave Ukraine.

[13] In June 2023 the former head of the council for Kherson Oblast, Vladyslav Manher, and his assistant, Oleksii Levin, were both found guilty of her murder.