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.

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.

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

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

Collect evidence at crime scene, classify and identify fingerprints, and photograph evidence for use in criminal and civil cases.

Investigate and inspect persons, common carriers, goods, and merchandise, arriving in or departing from the United States or between states to detect violations of immigration and customs laws and regulations.

Investigate alleged or suspected criminal violations of Federal, state, or local laws to determine if evidence is sufficient to recommend prosecution.

Gather, analyze, or evaluate information from a variety of sources, such as law enforcement databases, surveillance, intelligence networks or geographic information systems. Use intelligence data to anticipate and prevent organized crime activities, such as terrorism.

Conduct investigations to prevent crimes or solve criminal cases.

Conduct investigations related to suspected violations of Federal, State, or local laws to prevent or solve crimes.