A defense official said the man, 21, was turned down for military service after failing a psychological test. Investigators are asking how he passed another such test to obtain a gun permit.

Hundreds lined the central square in Graz, Austria, for a minute of silence for the 10 people killed in a school shooting on June. In a search of the shooter’s home, investigators found a farewell letter,

Officials say the former student who killed nine students and a teacher at a school in Austria and then took his own life planned the attack in detail