The phrase "federal agents" refers to individuals who work for the federal government, specifically in the field of law enforcement. They have the authority to enforce laws on a national level, across multiple states in a country. Full definition
Now with federal agents and bounty hunters tracking their every move, they must combat the elements and internal division in order to survive. (highsnobiety.com)
He is fully determined to have a full sit down meeting in hopes of being granted the position of federal agent at large. (paulstriptothemovies.com)
It's unusual enough for federal agents to seize an attorney's records, and unprecedented to take those of a president's personal lawyer. (bloomberg.com)