23 February 2011,
TV Guide's Mega Buzz has the latest on P. Diddy's guest spot in Hawaii Five-0 Season 1:

Q: What else can you tell me about Sean Combs' guest appearance on Hawaii Five-0? — Marcus

A: Combs (aka Diddy) plays a New York detective named Reggie Williams, who's in town to visit family — and hide out after an attempt on his life. The rub: Reggie's dad, an organized crime figure, may have ordered the hit. Tough love, anyone?

Labels: CBS, Guest Star, Hawaii Five-O, Sean Combs, Season 1, Spoiler