最純潔荷蘭寶の阿嬤@南宇@ - Finland school shooting: Bullying was the motive for...Finnish school shooting motivated by bullying - poli...A 12-year-old suspected of killing a classmate and w...芬蘭校園驚傳槍響！12歲學生開槍至少3童受傷 - 國際 - 自由時報電子報芬蘭校園槍擊1死2傷 12歲同學涉嫌犯案遭逮捕 | 國際 | 中央社 CNA芬蘭爆發校園槍擊案！學童1死亡2重傷開槍嫌犯、傷者皆12歲

看外國報導說原因是因為校園霸凌……