SSU Completes Investigation Into Ex-MP Semenchenko And NACB Agent Shevchenko Suspected Of Organizing Illegal Paramilitary Group The Security Service of Ukraine (SSU) has completed a pre-trial investigation against former Member of Parliament Semen Semenchenko (Samopomich) and non-staff agent of the National Anti-Corruption Bureau (NACB) Yevhen Shevchenko, suspected of organizing an illegal paramilitary group. 11 091 97 Previously in trend: Russian aggression against Ukraine Semenchenko case