As previously announced - and shown! - Laurence Fishburne debuts as Dr. Raymond Langston on the December 11 episode of CSI.

Thanks to E! Online, we've uncovered more facts about this new character:

• He's a pathologist-turned-professor;
• In the upcoming episode, Grissom announces his retirement;
• Langston is then introduced in a classroom setting, as Grissom's current investigation and Langston's lesson plan - interviewing a serial killer as an academic exercise - cross paths;
• The killer Langston was speaking to starts spilling secrets about a series of recent homicides taking place in the city;
• While Langston doesn't join the team in this episode, the foundation is in place.

Laurence Fishburne joins the cast of CSI is a little over a week.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.