Annika Boras

Ryan and Parker are upset when the FBI makes Nick Donovan (Mike Colter) lead investigator as the search for Joey Matthews and Joe Carroll continues; a follower and Joe Carroll form a deadly plan.

Joe Carroll makes a case to be transferred to a different facility, raising Ryan's suspicions; Emma and Joey come across one of Roderick's men.

Ryan and Parker try to outwit their new leader; Joe demands information on Claire's location from Ryan; past followers return.

Detective Sherlock Holmes, along with his sober companion, Dr Joan Watson, uses his uncanny ability to read people and analyse crimes to assist the NYPD on some of their more difficult cases.

A man accused of murdering three Arabs claims that he is genetically predisposed to hatred and violence. Benson and Stabler break down his defence when they uncover the genuine stimuli to the slayings.

Alicia takes on a pro bono case where the witness quickly becomes the prime suspect, but it's Lockhart & Gardner that may be in the most jeopardy, as Will and Diane consider their futures and the firm's direction.