"An exchange that took place on Turkish soil. […] Germany's willingness – according to DW – to release Vadim Krashikov (a former Russian security service (FSB) officer convicted of murdering a Chechen ex-Georgian officer in Berlin in 2019) and Turkey's role as a mediator were instrumental in made a historic prisoner swap between Russia and the West possible this week, according to Hans-Jakob Schindler, a German counter-extremism expert and senior director of the nonprofit Counter Extremism Project."