特別 とくべつ高等 こうとう警察 けいさつでしょう
tokubetsu kōtōkeisatsudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 特別高等警察

1. Probably special higher police.; Likely a special higher police officer.

Polite
Presumptive
Conjecture