'Only Murders in the Building': Who's the Killer? - PRIMETIMER(00)

'Only Murders in the Building': Who's the Killer? - PRIMETIMER(00)

Image gallery: Only Murderer

'Only Murders in the Building': Who's the Killer? - PRIMETIMER 'Only Murders in the Building' Season 4: Cast, Plot, Guest Stars Us Weekly Only Murders in the Building: Selena Gomez Pitched Mabel as Murderer