Only Murders in the Building: Season 4

Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "Only Murders in the Building" Season 4.
Keys: overview (160-220 words), primer (array of exactly 4 concise bullet points).
Constraints: Use ONLY provided synopsis and sources. No invented facts. No markdown/asterisks/headings/bullets in text. Output valid JSON only.
Input: TMDB Season Synopsis and several sources.
TMDB Season Synopsis: Trio investigates murder of Sazz Pataki (Charles' stunt double). Question: Was Sazz or Charles the intended victim? Arconia residents entangled in Hollywood drama (studio adapting podcast into a movie). New faces/on-set chaos. Amateur sleuths return to New York, diving into lives of Arconia's West Tower residents.
Source [1]: Title, year (2021), rating (TV-MA), genre (Comedy, Mystery, Crime).
Source [2]: Creators (John Hoffman, Steve Martin). Cast (Steve Martin, Martin Short, Selena Gomez, Michael Cyril Creighton). Characters (Charles, Oliver, Mabel). Premise: Eccentric neighbors solving murders via true-crime podcast in New York.
Source [3]: Co-showrunners (Kelley and Butterworth), writer (Samantha Strauss). Mentions Season 2 cast (Lisa Kudrow, etc.).
Source [4]: Premise (strangers obsessed with true crime).
Source [5]: Title (OMITB), creators (Steve Martin, John Hoffman), cast (Steve Martin, Martin Short, Selena Gomez), premise (trio with interest in true crime podcasts).
Overview Construction:
The fourth season of Only Murders in the Building follows the central trio as they investigate the mysterious murder of Sazz Pataki, who served as Charles' stunt double. This death introduces a central mystery regarding whether Sazz or Charles was actually the intended victim. As the investigation unfolds, the residents of the Arconia find themselves caught up in Hollywood drama because a studio is adapting their true-crime podcast into a movie. This adaptation brings new faces into their lives and results in various forms of on-set chaos. The amateur sleuths return to New York to dive into the complicated lives of the residents living in the West Tower of the Arconia. The series, created by Steve Martin and John Hoffman, continues the story of Charles, Oliver, and Mabel, three eccentric neighbors who found purpose and chaos by solving murders through their podcast. This season blends the investigation of a specific death with the complications of a film production, all while the characters navigate the social