The shooter from Munich Ali David Sonboli had been preparing his crime during the year, and the weapons he bought in the darknet, according to German magazine Bild.
The edition published earlier confirmed information that the teenager had bought weapons in the darknet, and the pistol "Glock 17" 9mm, from which he had fired on the crowd, was registered in Slovakia in 2014.
Police said Sonboli had been preparing his crime during the year. Such a conclusion, law enforcement officers made after a search in his home.