'The Killing': Detectives Finally Start Piecing Together The Night Of Rosie Larsen's Murder (VIDEO)

The truth was just screaming to be revealed in the penultimate episode of "The Killing" (Sun., 9 p.m. ET on AMC). After almost two full seasons and 23 episodes, viewers and the show's detectives are finally on the cusp of finding out who killed Rosie Larsen. This week, though, Holder and Linden were making some quick work of the clues, piecing together what happened on the night of her murder.

They quickly tied Richmond's campaign adviser Gwen Eaton to the car Rosie was found in that night, while security footage they intimidated out of the casino's security chief pegged Richmond's campaign manager Jamie Wright in the casino on that night. It's far more compelling a case for Wright to have been involved with the murder, but there is still one other person the detectives were expecting to see on that elevator security footage. Who could it be?

And more importantly, as pointed out by TV Fanatic, why did any of them kill Rosie Larsen? What significance did she play in this political campaign?

All will finally be revealed -- or at least that's the promise, on the season finale of "The Killing," next Sunday at 9 p.m. ET on AMC.

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