Highlights from the Fifth Episode of Season 2 of Elementary

Holmes and Watson find themselves digging through the dark world of the mob to find a killer when they discover the body of a former assassin.

Holmes and Watson

1. Holmes and Watson

Holmes (Jonny Lee Miller, left) and Watson (Lucy Liu, right) work to find out who killed a former assassin. Photo: JoJo Whilden /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Holmes and Watson

2. Holmes and Watson

Holmes (Jonny Lee Miller, left) and Watson (Lucy Liu, right) work to find out who killed a former assassin. Photo: JoJo Whilden /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Sherlock

3. Sherlock

Sherlock Holmes (Jonny Lee Miller) digs through the dark world of the mob to find a killer.Photo: JoJo Whilden /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Sherlock

4. Sherlock

Sherlock Holmes (Jonny Lee Miller) digs through the dark world of the mob to find a killer.Photo: JoJo Whilden /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Joan and Sherlock

5. Joan and Sherlock

Sherlock Holmes and Watson dig through the dark world of the mob to find a killer.Photo: JoJo Whilden /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Sherlock

6. Sherlock

Sherlock Holmes and Watson dig through the dark world of the mob to find a killer.Photo: JoJo Whilden /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Sherlock and Joan

7. Sherlock and Joan

Sherlock Holmes and Watson dig through the dark world of the mob to find a killer.Photo: JoJo Whilden /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Joan

8. Joan

Joan Watson (Lucy Liu) helps a close friend track down a mystery man who swept her off her feet. Photo: JoJo Whilden /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Watson

9. Watson

Joan Watson (Lucy Liu) helps a close friend track down a mystery man who swept her off her feet. Photo: JoJo Whilden /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Joan and Sherlock

10. Joan and Sherlock

Holmes (Jonny Lee Miller, left) and Watson (Lucy Liu, right) dig through the dark world of the mob to find a killer. Photo: Jeff Neumann /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Sherlock

11. Sherlock

Holmes (Jonny Lee Miller) digs through the dark world of the mob to find a killer. Photo: Jeff Neumann /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Sherlock, Watson and Det. Bell

12. Sherlock, Watson and Det. Bell

Holmes (Jonny Lee Miller, left), Watson (Lucy Liu, middle) and Detective Bell (Jon Michael Hill, right) dig through the dark world of the mob to find a killer. Photo: Jeff Neumann /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Holmes

13. Holmes

Holmes and Watson dig through the dark world of the mob to find a killer. Photo: Jeff Neumann /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Watson

14. Watson

Watson (Lucy Liu) works to find out who killed a former assassin. Photo: Jeff Neumann /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Watson, Sherlock and Bell

15. Watson, Sherlock and Bell

Watson (Lucy Liu, left), Holmes (Jonny Lee Miller, middle) and Detective Bell (Jon Michael Hill, right) work to find out who killed a former assassin. Photo: Jeff Neumann /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Sherlock

16. Sherlock

Holmes (Jonny Lee Miller, middle) and Watson (Lucy Liu, right) dig through the dark world of the mob to find a killer. Photo: Jeff Neumann /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Sherlock and Joan

17. Sherlock and Joan

Holmes (Jonny Lee Miller, left) and Watson (Lucy Liu, right) work to find out who killed a former assassin. Photo: JoJo Whilden /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved