However shrewdly the cops are deployed, they might not have cut crime so dramatically if social trends had not also been moving in the right direction.

不管警察布置如何周密，如果社会大气候没有往好的方向转变，警察还是不能这么大幅度削减犯罪。

youdao

Now his cops feed instantaneous crime statistics into computer maps to spot trends and "find out where the mosquitoes are breeding", and success is measured by crime reduction.

现在他的警员们将最新的犯罪情况数据输入计算机以发现犯罪苗头，“发现蚊子在哪儿繁殖”。治安是否成功以犯罪率的下降为准绳。

youdao

Maybe I could throw the cops off the scent by telling them I saw the guy who committed the crime.

也许我可以告诉警方我看到了罪犯，以此来把他们甩掉。

youdao

With the rise of drug-related crime, cops did not want to be outgunned by criminals and were trading in their six-shot revolvers for semiautomatic pistols.

FORBES: Magazine Article

Making matters worse, narcotics smuggling is a federal crime, so local cops aren't supposed to prosecute it.

WSJ: Mexico's Drug Cartels May Have Become Too Powerful to Control

Defenders of government monopolies on police services might suggest more gratitude on my part as I would certainly call the cops if a crime were being committed against me and I would certainly call the fire department if my house were on fire.

FORBES: Pepper Spray Before Profits at UC Davis? Privatize the Police