美国 · 综合新闻 · NBC News

Secret Service study explores how to prevent workplace violence

来源：NBC News · 美国 1 小时前

The law enforcement agency best known for protecting the president is using its knowledge to prevent attacks.

在 NBC News 阅读全文登录后可收藏

MarketNews 仅展示媒体发布的标题和摘要，全文请在出版方网站阅读。 (www.nbcnews.com)

推荐阅读

Town leaders chided residents for warning of flash floods. Then, the river took two children.

Wildlife photography’s dirty little secret

The GOP has a midterm messaging problem. Ramaswamy isn’t helping

Russia releases American teacher imprisoned on Ukraine mercenary charges after Trump pressed Putin

Australian politician Helen Haines loses both legs after car attack

Australian politician who was hit by car has lost both legs