差別さべつ大量たいりょう殺人さつじんでしょう
musabetsutairyōsatsujindeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 無差別大量殺人

1. Probably a mass random killing.; Likely a mass indiscriminate slaughter.

Polite
Presumptive
Conjecture