Conduct investigations to determine causes of fires and explosions.

Enforce fire regulations, inspect forest for fire hazards, and recommend forest fire prevention or control measures. May report forest fires and weather conditions.

Maintain order in courts of law.

Guide or control vehicular or pedestrian traffic at such places as streets, schools, railroad crossings, or construction sites.

Protect and police railroad and transit property, employees, or passengers.

Handle animals for the purpose of investigations of mistreatment, or control of abandoned, dangerous, or unattended animals.

Gather, analyze, compile, and report information regarding individuals or organizations to clients, or detect occurrences of unlawful acts or infractions of rules in private establishment.

Observe gambling operation for irregular activities such as cheating or theft by either employees or patrons. Investigate potential threats to gambling assets such as money, chips, and gambling equipment. Act as oversight and security agent for management and customers.

Guard, patrol, or monitor premises to prevent theft, violence, or infractions of rules. May operate x-ray and metal detector equipment.

Conduct screening of passengers, baggage, or cargo to ensure compliance with Transportation Security Administration (TSA) regulations. May operate basic security equipment such as x-ray machines and hand wands at screening checkpoints.