First off, the Federal Reserve Bank is NOT a federal building, nor are they a federal agency. The constitution banns a full out, fully federal banking system (thank god). One of my guys is also a federal reserve police officer. His juristiction ends at the sidewalk. Ironically, when they were granted "police" status under the Patriot Act, they lost some of their jurisdiction. When they were considered "private security" by the SLMPD, they had to be licensed by such and had the power to give chase in certain instances. The FRB does have some people who have a little more power, but they usually are located in DC and are Special Deputy Marshals. They are not, however, series 0083 Federal Police/Protective Officer. Here, they get paid under $30,000 a year to start and their training consists of an in house academy. That's why they usually look for people with former law enforcement experience.
Law abiding citizens sleep peacefully in their beds, solely because dedicated men and women stand ready to do violence in their behalf.