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There is a Legacy version here.

PFS StandardEveryone's a Suspect Feat 20

Investigator 
Source Player Core 2 pg. 113

You are so suspicious of everyone you meet that you keep mental notes on how to defeat them all—even your own allies. After interacting with a creature for at least 1 minute, you automatically Pursue a Lead with that creature as the subject. You can have any number of such leads at any given time, and when you Pursue a Lead again, you don't give up any of these automatic subjects.