Mark Moses is going from Wisteria Lane to searching for who killed Rosie Larsen. 

The Desperate Housewives star has booked a major arc for Season 2 of AMC's The Killing, The Hollywood Reporter has learned exclusively.

Moses will play Lt. Carlson, a new detective who joins the Seattle police department and the investigation into Rosie's death. He will appear in at least eight episodes of the nuanced drama.

The drama's controversial first season ended with Linden (Mireille Enos) boarding a plane to California join her fiancé in California only to learn that her partner, Holder (Joel Kinnaman), fabricated evidence involving their prime suspect in the case.

Moses is currently reprising his role as Paul Young on the final season of ABC's Desperate Housewives. The Killing role reunites Moses with AMC, where he played Herman "Duck" Phillips on the network's Mad Men from 2007-10.

Repped by Innovative Artists and the Coronel Group, Moses' credits also include stints on Criminal Minds, Covert Affairs, Castle and Drop Dead Diva.

The Killing returns in the spring.