最有说服力的可能是，根据一个调查，与2009年比，费城人已不那么担心犯罪了。

Perhaps most telling, according to one poll, Philadelphians worry less about crime than in 2009.

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芝加 哥的PSN包括严格的枪支政策，联邦调查以及研究人员认为的最重要的一部分，即与以前的重罪犯会面以防止他们重新走到犯罪的道路上。

Chicago’s PSN includes tough gun policing, federal prosecutions and—most important, or so researchers found—meetings with former felons to deter them from returning to crime.

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墨西哥官员称，他们正在调查北部城市蒙特瑞涉嫌与犯罪团伙有关的100多名警察。

Officials in Mexico say they are investigating more than 100 police officers in the northern city of Monterrey suspected of having links with organised crime.

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