The police (the public organization responsible for maintaining order and investigating crime).
警察は現場で証拠を集めている。
The police are collecting evidence at the scene.
その事件は警察の捜査対象だ。
That case is under police investigation.
緊急の場合は警察に連絡してください。
In an emergency, please contact the police.
Colloquial abbreviation referring to an individual police officer (short for 警察官).
逃げた犯人は警察に追われている。
The escaped suspect is being chased by the police/officers.
事故現場で警察が応急処置を手伝った。
Police officers helped provide first aid at the accident scene.
Colloquial abbreviation for a police station or box (can mean the police station depending on context).
道に迷ったので警察で道を尋ねた。
I was lost, so I asked for directions at the police station.
被害届は交番や警察で受け付けている。
Reports of damage/complaints can be filed at a koban or police station.
Colloquial suffix meaning a self-appointed enforcer or busybody who rigidly enforces rules (e.g. 'manners police').
SNSではマナー警察が小さなミスまで指摘する。
On social media, 'manners police' point out even small mistakes.
彼は職場でいろいろうるさい、まるで掃除警察だ。
He's picky about things at the office, like a 'cleaning police'.