As always, Only Murders in The Building gifted audiences with a nuanced yet shocking Season 3 finale that finally wrapped up the mystery of Ben Glenroy's double murder. Donna and Cliff were apprehended for first poisoning the leading man of Death Rattle Dazzle and then pushing him down the elevator shaft at the Arconia.
Source：https://www.cbr.com/10-only-murders-in-the-building-season-3-questions/
