差別 さべつ大量 たいりょう殺人 さつじんだったら
musabetsutairyōsatsujindattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 無差別大量殺人

1. If it were indiscriminate mass murder; If it was a case of indiscriminate mass murder

Tara Conditional