Selena Gomez turns detective in trailer for Only Murders In The Building 19/05/2021, 5:28 am Selena Gomez is on the case in the trailer for mystery series Only Murders In The Building (Matt Crossick/PA) Selena Gomez is on the case in the trailer for mystery series Only Murders In The Building. The singer and actress stars alongside Steve Martin and Martin Short as three strangers and true crime obsessives who find themselves in a mystery of their own. Gomez shared a teaser for the show, which opened with Martin’s character pondering what makes a great murder mystery, claiming it “unpeels itself like an onion”.