The capital city of Washington , D.C . is home to many famous museums in the United States .
首都华盛顿特区有许多美国著名的博物馆。
But there is one museum in the city that visitors will never get to see : the U.S . Secret Service Museum .
但城里有一座博物馆是游客永远无法参观的：美国特勤局博物馆。
Placed inside the agency's headquarters , the one-room museum shows objects from the agency's history .
这座只有一个房间的博物馆位于该机构总部内，展示着该机构历史上的物品。
It also honors the 40 men and women of the service who have died while performing their duty .
它还纪念了该局40名殉职的男女人员。
Mike Sampson is a historian and archivist at the U.S . Secret Service .
迈克·桑普森是美国特勤局的历史学家兼档案管理员。
He said the museum is only open to agency workers , their families , and some special guests .
他说，这座博物馆只对该机构员工、他们的家人和一些特邀嘉宾开放。
He added that concerns about security and lack of resources are the reasons the museum is closed to other visitors .
他补充说，出于安全考虑以及资源不足，博物馆不对其他游客开放。
The Secret Service is probably best known for protecting U.S . presidents .
特勤局最为人所知的可能是保护美国总统。
But its first mission was to fight financial crime .
但它的首要使命是打击金融犯罪。
Jason Kendrick is another historian and archivist at the U.S . Secret Service .
杰森·肯德里克是美国特勤局的另一位历史学家兼档案管理员。
It was not until 1901 , after the assassination of President William McKinley , that the Secret Service added the job of protecting the president .
直到1901年威廉·麦金莱总统遇刺后，特勤局才增加了保护总统的职责。
But the service's work had expanded before then to fighting other kinds of crime .
但在此之前，该局的工作已经扩展到打击其他类型的犯罪。
One reason is that other agencies , such as the Federal Bureau of Investigation and the Central Intelligence Agency , did not yet exist .
原因之一是，联邦调查局和中央情报局等其他机构当时还不存在。
The Secret Service fought against activities such as illegal trade , crimes relating to land ownership , and spying .
特勤局打击过非法贸易、与土地所有权相关的犯罪以及间谍活动等。
Kendrick explained that beginning in 1868 , the Secret Service was permitted to fight any crime against the federal government .
肯德里克解释说，从1868年开始，特勤局获准打击任何针对联邦政府的犯罪。
Some exhibits in the museum show examples of counterfeiting .
博物馆里的一些展品展示了伪造的实例。
Now , the service also protects candidates for president , visiting heads of state , important foreign visitors , and special events related to national security .
如今，该局还保护总统候选人、来访的国家元首、重要外宾以及与国家安全相关的特别活动。
It also continues to fight financial crime and fight against school violence and other attacks .
它还继续打击金融犯罪，并应对校园暴力和其他袭击。
Working those duties sometimes comes at a price for Secret Service members .
履行这些职责有时会让特勤局人员付出代价。
Sampson says this part of the museum is a way to respectfully honor those Service members .
桑普森说，博物馆的这一部分是向这些特勤人员致以敬意的一种方式。
The museum , Sampson said , “gives us an opportunity to reflect on the history of our agency , and also to show what we're doing these days .”
桑普森说，博物馆“让我们有机会回顾本机构的历史，也展示我们如今在做的事情”。