Patrol Officers

• The 12,130 police and sheriff's patrol officers employed by the federal executive branch earned average wages of $24.55 per hour, or $51,060 per year, in May 2009, according to the BLS.
  
  

Investigators

• Federal detectives and criminal investigators were paid an average of $36.25 per hour, or $75,390 per year, according to the BLS, which reports that the federal executive branch employed 42,830 people in this occupation in May 2009.
  
  

Supervisors

• First-line supervisors and managers of police and detectives held 6,560 jobs with the federal executive branch in May 2009, BLS figures show, earning average wages of $44.64 per hour, or $92,850 per year.
  
  

Wildlife Wardens

• There were only 80 people working as federal fish and game wardens in May 2009, the BLS reports, and they made average wages of $26.90, or $55,950 annually.