In this task, you are given a sentence in the English language and your task is to convert it into the Japanese language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).

"He's disgraced himself, he's an embarrassment to the Clayton County Police Department, his credibility and integrity as an officer is gone, and I have no use for him," he declared.
「彼は自分で自分の名を汚したのだ。彼はクレイトン郡警察の恥だ。彼の信頼と警察官としての誠実さはなくなり、私には彼を使う道がない」と彼は表明した。

:"I left my suite at the Royal River Hotel and walked down Soi Charansandwong, the narrow street that leads from the hotel to the busy road that crosses the city and shortly thereafter, the Chao Phraya River, known as the 'River of Kings."
「私は、RoyalRiverHotelの特別室を出て、ホテルから町を横切った後間もなく『王様の川』として知られるチャオプラヤ川まで通ずる狭い通りのSoiCharansandwongを歩いて行きました」

It is the deadliest mining accident in the United States since 1984.

それは1984年以来アメリカで起こった最も悲惨な鉱山事故である。