Auditor
Auditors are psionically trained law-enforcement agents. Combining potent combat training with expert investigation skills, most people know to behave when an auditor enters the room.
Watchful Eye
When you choose this archetype at 3rd level, you gain an expertise die when making Insight or Investigation checks. Additionally, you gain a specialty in each.
Psychic Interrogation
At 6th level you are adept at getting the truth out of suspects. Ask a simple yes-or-no question of a living creature within 10 feet and which can understand you and spend 1 exertion. The target makes a Wisdom saving throw against your psionics save DC, and on a failed saving throw is compelled to answer the question truthfully.
Speak With The Dead
At 9th level, you are able to read the psychic impressions left by the dead. You may speak with a recently dead creature and ask it up to three questions. The creature must have died within the past 24 hours. You may ask any questions, but the corpse is not obligated to tell the truth, and cannot provide information that it would not have been aware of when alive.
Once you have used this feature you cannot use it again until you have finished a long rest.
Detect Lie
Beginning at 14th level, your innate psychic insight and empathic senses are so finely-tuned that it becomes impossible to lie to you without you knowing it. You automatically know when a creature is not telling the truth. This feature does not give you any other information regarding the truth.