Sherlock and Gregson
Sherlock (Jonny Lee Miller, left) assists Gregson (Aidan Quinn, right) with a double homicide that has the same M.O. as a series of murders that took place 13 years ago. Callie Thorne (right) guest stars as Terry D’Amico, Gregson’s former partner. Photo: David M. Russell/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.