Highlights from the Sixteenth Episode of Season 3 of Hawaii Five-0

Five-0 investigates the murder of a traditional Hawaiian fighting master and McGarrett hires a private investigator to follow his mother.

1. "Kekoa"

McGarrett hires a private investigator (guest star Treat Williams, right) to follow his mother (guest star Christine Lahti, left). Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Private Investigator

2. Private Investigator

McGarrett hires a private investigator (guest star Treat Williams) to follow his mother. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Private Eye

3. Private Eye

McGarrett (Alex O’Loughlin, right) hires a private investigator (guest star Treat Williams, left) to follow his mother. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Break Time

4. Break Time

McGarrett (Alex O’Loughlin, right) and Catherine (Michelle Borth, left) take a break from catching bad guys. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Introductions

5. Introductions

McGarrett (Alex O’Loughlin, far right) hires a private investigator (Treat Williams, second from right) to follow his mother (guest star Christine Lahti, left with Michelle Borth, second from left). Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Date Night

6. Date Night

McGarrett (Alex O’Loughlin, far right) hires a private investigator (Treat Williams, second from right) to follow his mother (guest star Christine Lahti, second from left with Michelle Borth, left). Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Mother & Son

7. Mother & Son

McGarrett (Alex O’Loughlin, right) hires a private investigator to follow his mother (guest star Christine Lahti, left). Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.