Settlement reached in alleged 2012 Honolulu police brutality, cover-up case. “One officer appears to take his handcuffs and uses them as brass knuckles and was beating Mr. Kaahu in the back of his head as he was pounding his head also to the pavement."

http://www.hawaiinewsnow.com/story/37500328/settlement-reached-in-alleged-hpd-police-brutality-and-cover-up-case