it's made 2 russian embassy employees persona non grata in connection to the murder of the georgian national bach in august russia has denied any state link and has called the expulsion on substantiated well i'm happy to say we're joined live on the program by author of this martin mccauley martin good to see you what do you make of the case and in particular what supposedly substantial evidence of official oficial russian or chechen involvement might german investigators think. i think that if you go back to 9091 the collapse of the soviet union the chens were very active in various parts of russia but also in germany and some of the chans were in fact involved in assassinations and things i get. organized crime and and therefore the german authorities would have a lot a lot of data on georgians and so on and therefore they would be collecting a lot of that and also on the russians and remember that relations between russia and germany are in fact quite good the much much better than between britain and russia so therefore what does come up here is obviously something quite serious they've obvio