Highlights from the Twelfth Episode of Season 4 of Hawaii Five-0

McGarrett helps Grover investigate his friend's disappearance after he apparently commits murder.

Suns Out, Guns Out in Season 4 Episode 12

Suns Out, Guns Out in Season 4 Episode 12

McGarrett (Left Alex O’Loughlin) helps Grover (Right Chi McBride)investigate his friend’s disappearance after he apparently commits murder. Meanwhile, Kono continues her search for Adam. on HAWAII FIVE-0, FRIDAY, JAN. 10 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Photo: Best Possible Screen Grab/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
McGarrett and Grover in Season 4 Episode 12

McGarrett and Grover in Season 4 Episode 12

McGarrett (Left Alex O’Loughlin) helps Grover (Right Chi McBride)investigate his friend’s disappearance after he apparently commits murder. Meanwhile, Kono continues her search for Adam. on HAWAII FIVE-0, FRIDAY, JAN. 10 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Photo: Best Possible Screen Grab/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Duty Calls in Season 4 Episode 12

Duty Calls in Season 4 Episode 12

McGarrett (right Alex O’Loughlin) helps Grover (left Chi McBride)investigate his friend’s disappearance after he apparently commits murder. Meanwhile, Kono continues her search for Adam. on HAWAII FIVE-0, FRIDAY, JAN. 10 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Photo: Best Possible Screen Grab/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved