警察は麻薬の取引をかぎつけた The police got wind of the dope traffic.

警察は麻薬の密売人を逮捕するために秘密捜査を行った The police went undercover to arrest the drug dealer.

警察は麻薬密売人の家の手入れをした The police raided the drug dealer's house.

警察は目撃者を安全のために収監した The police took the witness into custody for safety's sake.

警察は予算の削減に直面していた The police were confronted with a smaller budget.

警察は容疑者として誰も考慮からはずしていない The police has ruled out nobody as suspect.

警察は容疑者として誰も特定していない The police has ruled out nobody as suspect.

警察は容疑者らが町の中心部に潜伏したと判断を下した The Police decided that suspects went into hiding in the center of the city.

警察は力ずくで犯人を制圧しなければならなかった The police had to subdue the criminal with force.

警察へ(人)を引き渡す hand over someone to the police

警察への供述 statement made to police