Suspect of Opportunity
Feat 10
Source Pathfinder Player Core 2
Prerequisites Person of Interest
Trigger A creature who isn't, to your knowledge, tied to any of your active investigations takes a hostile action against you in combat.
Sometimes something intrudes upon your case unexpectedly, such as an ambush sent to bring your investigation to a close. You use Person of Interest against the triggering creature. This doesn't allow you to use Person of Interest more frequently than normal.
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
InvestigatorThis indicates abilities from the investigator class.