When is a PPO allowed to conduct an 'incidental investigation'?

A PPO, or Proprietary Private Officer, is permitted to conduct an incidental investigation primarily when it relates directly to the protection of property for which they are responsible. This means that if there is a situation where they need to investigate a potential threat or undue activity that could compromise the security of the property they are assigned to safeguard, this investigation falls within the scope of their duties.

Such investigations must always be tied to their core obligation of protecting the interests of their employer and the property itself. It is essential that the investigation does not extend into broader law enforcement activities or personal matters unrelated to the property. When dealing with security, the focus is firmly on securing and preserving the safety of the area in their charge, making this option the correct choice.

Engaging in investigations based on personal suspicions or general crime reports without a direct link to the property could overstep the boundaries of their defined role and responsibilities. Thus, the rationale behind selecting the correct answer rests on the principle of acting within the realm of their professional duties as outlined in security service regulations.