"Into Pitch Black" was set up to reveal the back-stories of the characters in the film.
Was supposed to be a documentary film.
One of the prisons that Riddick escaped from, which is mentioned by the policeman is Ursa Luna, which would mentioned by Toombs in The Chronicles of Riddick (2004). One prison colony that Riddick also escaped, which wasn't mentioned is Butcher Bay, which Riddick escaped from prior to Pitch Black (2000). Also mentioned in "Chronicles of Riddick."