The Underground part is the part you'll never know, except you are a direct insider. The official version does make sense as much as my street fight in Frankfurt against 6 guys that was declared to be of a KSK soldier in the Bahnhofsviertel BKA contacts. Noone disclotes Hells Angel knees....
There are some weird parts about it, but there are always weired parts about it. The French IS killers in the past used also military weapons and left their IDs in the car to be found shortly after.
It is both possible that they did so to leave a trace, dropped them in extreme stress knowing they won't make it out alive, or that someone tries to cover NSA style mass surveillance of smart phones that is illegal by the book and therefore a secret other law book full of privilages for Secret Services.
When on the main media the ex Cokain King of Hamburg sais managers, laywers and judges were his clients you know he speaks the truth, if you have ever hit that level of society wondering where the ego comes from and someone needs to do the dirty work like they never ever cleaned their own toilett with hands, a brush and cleaning soap. They got staff...
In the hard drug circles of society colleteral damage is not only no problem they kinda like that feeling of psychotic rule over death and life like a SS men in a Polish Village against defenceless humans and are realy impressed when their nationaly legalised counterparts on medication come in fluffy Uniforms even so having just the same gun calibres and hopefully roughly the same training or they got trapped being stupid in a mission to big for them. Himmelfahrtskomando, German even has word for that.
Everybody depending on the pharamcutical and chemical industry during training and education uses cannon fodder. Each side of those living from and not for the people, since ever. Since Jerusalem. They just called the doctor alchemist and never got lead to gold, but heavy stinky mushroom stew....
This could have been pretty much everything and this here further on is all pure fictional speculation. Important is that Vice Tactics are still in play.
The Russians themselves could have used Wagner criminal material from the junky section of their prison system to take out forigners the burtal way.
The concert could have been a gathering of those of the same kind, like a sekt or comperable group also into influencing the local lifestyle, and some of their own gone mad considering that the best place to hit as many as possible.
All that is also the IS. They are trying to destroy the lifestyle of the northern hemisphere and use mass murder having no interest in surviving.
There is a good chance that the Dark Modernity will be realy called like this in one hundred years, because try to read what is safed on a 3,5 inch floppy today. Is it what is sais written with ink on the sticker??
Also Undergrond Wars have different levels. I am just part of the worst for Nazis and their hosts. The very worst....right BKA and CIA? #ticktack #armutswas