Taking pictures or video of facilities, buildings, or infrastructure in a manner that would arouse suspicion in a reasonable person. Examples include taking pictures or video of access points, personnel performing security functions (patrols, badge/vehicle checking), security-related equipment (perimeter fencing, security cameras), etc. All reporting on photography should be done within the totality of the circumstances.

Demonstrating unusual interest in facilities, buildings, or infrastructure beyond mere casual or professional (e.g., engineers) interest such that a reasonable person would consider the activity suspicious. Examples include observation through binoculars, taking notes, attempting to measure distances, etc.

Acquisition of unusual quantities of precursor materials such as cell phones, pagers, fuel and timers, such that a reasonable person would suspect possible criminal activity.

Attempts to obtain or conduct training in security concepts (military weapons or tactics) or other unusual capabilities that would arouse suspicion in a reasonable person.

Discovery of unusual amounts of weapons or explosives that would arouse suspicion in a reasonable person.

Presenting false documents, and/or identification to misrepresent one’s affiliation to cover possible illicit activity. Misusing insignias, uniforms, etc.

Stealing or diverting something associated with a facility (e.g., badges, uniforms, identification, emergency vehicles, technology or documents).

Damaging, manipulating or defacing part of a facility/infrastructure or protected site.

Compromising or attempting to compromise or disrupt an organization’s information technology infrastructure.

Operation of an aircraft in a manner that reasonably may be interpreted as suspicious or posing a threat to people or property.