The Investigator[]
The Investigator, true to its' name, can help to speed up the evidence gathering for solo or team play. The role's main capability is to "receive a reference to a proof (1 time only)." I have not seen this role in practice as of yet, so I cannot say just how useful it may be, but I imagine it can help speed the game along regarding figuring out what entity you are facing. The Investigator's box, when dropped and used, will upgrade the player's flashlight. Again, since I have not seen this one in use yet, I cannot say how this may affect the gameplay, especially considering the fact that the flashlights are already quite powerful and stable. Its' passive ability, however, is definitely a useful one. Fingerprint evidence will not disappear for the Investigator, allowing for easy evidence gathering.
Updates/photos to come soon, or add them yourself!