The brokers of the Kremlin keep a world community of equipment which can be used if crucial. In Germany, Yury E. in all probability acts as a bridgehead.
https://www.spiegel.de/politik/deutschland/russland-die-heimlichen-helfer-russischer-geheimdienste-a-471274a1-7cc4-4604-806a-518419316b17#ref=rss
Russia: The secret helpers of Russian secret providers | EUROtoday
