This is the 9583rd most frequent Korean word.
경찰들의
"경찰들의" means "police's" or "of the police" (possessive form).
The word '경찰들의' refers to 'of police', describing possession or association related to something specific, in this case, their help.
경찰들의 도움으로 사건이 해결되었습니다.
With the help of the police, the case was solved.
'경찰들의' is used here to denote 'of police', specifying the actions that belonged to or were performed by the police.
나는 경찰들의 행동에 감동받았습니다.
I was impressed by the actions of the police.
In this sentence, '경찰들의' refers to the 'efforts of police', attributing the actions of effort and maintenance of safety to the police.