Bulgarian investigative journalist Christo Grozev has revealed that a Bulgarian journalist was involved in the operations of Unit 29155 of the Russian military intelligence service, the GRU. This unit is known for carrying out high-profile assassinations, sabotage, and disinformation campaigns. The findings were made public by Grozev and Roman Dobrokhotov on the Insider website, exposing how this GRU unit also engaged in hacking and information manipulation, often collaborating with journalists