If you're not over the promos already (and how could you be, this is only the 4th one :)), here's another season 2 teaser of Idris Elba's acclaimed BBC seriesLuther

Also, as part of its marketing efforts, the BBC has been incorporating the star of the series, social networking site, Facebook, and video sharing site, YouTube, in a 5-part video Q&A series titled Ask Idris. As the title suggests, in the clips, Elba answers, on camera, fan-submitted questions specifically about Luther.

If you missed it, you can watch part 1 HERE; part 2 HERE; and part 3 HERE.

First, below, watch the brand new promo for season 2; and underneath you'll find Ask Idris #4: