You ask questions, follow leads, and connect clues until the truth is clear.
## Tier 1 (Investigation 1+)
* Clue Sense – Mark a die as Effectful; on success, find one actionable lead at a scene or location.
* Corroborate – You may confirm a suspect’s story by cross-checking evidence; allies gain +1 die on related Social rolls.
* Link the Threads – Gain +1 die to Investigation rolls when following up on existing leads.
## Tier 2 (Investigation 2+)
* Paper Trail – Once per scene, you may declare you found a document or record relevant to your case.
* Interrogate Scene (Investigation/Observation) – Mark a die as Persistent; on success, ask 1 additional question about the location.
* Disguise Insight – You may detect disguises or forgeries with +1 die.
## Tier 3 (Investigation 3+)
* Deep Profile – You can build a full profile of a person or group from small details, granting +1 die to all rolls against them.
* Predict Behavior – Once per scene, declare where or when a suspect will act next; failure = –1 die on next Investigation roll.
* Network Analysis – You may reroll one failed die when tracing organizations or conspiracies.
## Tier 4 (Investigation 4+)
* Master Sleuth – You automatically succeed at detecting planted evidence or false leads.
* Forensic Genius – Once per session, you may declare you know the exact cause or perpetrator of an event based on evidence.
* Web Unraveled – You can instantly map a criminal network or conspiracy you’ve touched on; each ally gains +1 die on related actions.