"This (WhatsApp) chat and questioning as a suspect has shown that the Afghan met the gunman directly before the gun attack at what was later the scene of the crime," senior public prosecutor Thomas Steinkraus-Koch told a news conference in Munich.
Teenage friend of Munich gunman arrested
The WhatsApp chat also showed the Afghan knew the attacker was in possession of a Glock 17 firearm, Steinkraus-Koch said, adding that the two teenagers got to know each other in the summer of last year when undergoing psychiatric care.
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