Ray Langston is a murderer.

This seems highly unlikely, but it's an issue that will be raised on next week's episode of CSI, as teased on the following promo.

Relive this week's installment of the CBS drama via our TV Fanatic review and then prepare for the intense May 13 below:

[video url="http://www.tvfanatic.com/videos/doctor-who-trailer/" title="Doctor Who Trailer"] [/video]

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