Who killed Rosie Larsen? That's the big question in AMC's newest original series, The Killing, premiering Sunday, April 3 at 9pm. TV Guide Magazine has an exclusive first look at the chilling new promo, featuring stars Mireille Enos (Big Love) and Joel Kinnaman as detectives unraveling the clues to the gruesome Seattle murder. Check out the promo below. Are you excited for The Killing?