News; World news; shooting; Belgrade shooter, 13, had list of pupils he wanted to 'liquidate' before killing 8 kids Kosta Kecmanovic, a 13-year-old student at the Vladislav Ribnikar school, has ...

Kosta Kecmanovic, 13, has been held in a mental institution since the attack in which 10 people died. Expand. Police officers guard the Vladimir Ribnikar school in Belgrade, Serbia, after the mass ...

Under Serbian law, Kecmanovic may not be charged for his crimes because he is under 14 years old and could challenge that he is not legally responsible for his actions because he is too young.

Kosta Kecmanovic, 13, has been held in a mental institution since the attack in which 10 people died. Ireland World ...