The man comes in black.
He wears a black wig, a baseball cap, black sunglasses and dark gloves.
It's Friday, August 23, 2019, a sunny day in Berlin.
In the Kleiner Tiergarten park in the Moabit district, people are sitting on benches and in front of the “Alverdes” park restaurant.
The man, who has a black bicycle with him, is watching a house on Lübecker Strasse.
Selimkhan Changoshvili, a Chechen with Georgian citizenship and an asylum seeker, lives there.
Political correspondent in Berlin.
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The Chechen leaves home at five minutes to twelve to go to a nearby mosque for Friday prayers.
The man in black follows him on the bike, pulls a gun with a silencer from a backpack and shoots him in the left shoulder blade, he fires another shot in the neck.
The projectile penetrates the head and exits on the right cheek.
Being out on a bike and hitting a walking person in the head, only surefire shooters can do that.
The perpetrator then shoots his victim, who is lying on the ground, again in the skull – a “coupling shot” that ensures death.
Eyewitnesses will later say that it looked like a cold-blooded execution.
The perpetrator races on his bike to the nearby Lessing Bridge on the Spree, goes into a bush with his bike and changes his clothes.
He shaves off his goatee with a Braun hair clipper, puts on shorts, sandals and a pink and white striped top and puts on a bucket hat.
The black man has become a tourist.
He throws his bike, pistol and his discarded clothes into the Spree.
Two men pursue the perpetrator
It is coincidental that two young men, who have previously visited an apartment nearby, are watching the whole thing.
You find the man's behavior suspicious.
When he throws the bike in the river, they call 911.
The perpetrator continues on foot, the young men follow him.
Because he fears that he could be followed, the man turns into a gate.
But he returns to his original plan of continuing his escape on an electric scooter.
He tries to open the scooter's lock with a key.
Suddenly he finds himself surrounded by police officers who point their submachine guns at him - it is ten past twelve, 15 minutes after the crime.
The police found a passport in the name of Vadim Sokolow, 3,720 euros and 110 Polish zloty in a belly bag.
Immediately after the arrest, a police officer jumps into the Spree and collects the bike and clothing.
A police diver finds the murder weapon a little later.
Traces of smoke are found on the hands of the arrested person and on the clothing recovered from the Spree.
The cartridges with which Changoshvili was shot came from the seized pistol, a Glock 26. The DNA on the clothing and in the hair clippers matched that of the arrested person.
There is no doubt that the man committed the crime.
The planners of the murder had not expected that the perpetrator would be caught and put on trial in Berlin.
If he had escaped as planned, the homicide squad of the Berlin State Criminal Police Office would have investigated mainly organized crime, in which Chechens play an important role.
The investigators could hardly have proved a political background.
But it soon turns out that Vadim Sokolov, the name on the passport, is a made-up identity.