Only Murders in the Building: Season 3

Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "Only Murders in the Building" Season 3.
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. No asterisks. No headings. No bullet points in the overview (use prose). Output valid JSON only.
Source Material:
TMDB Synopsis: Season 3 involves Charles, Oliver, and Mabel investigating a murder behind a Broadway show. Ben Glenroy (Hollywood action star) dies during his Broadway debut. They are aided by co-star Loretta Durkin. Oliver tries to put the show back together.
Source [1]: Shows genre (Comedy, Mystery, Crime), tagline ("The building always wins").
Source [2]: Co-showrunners Kelley and Butterworth wrote with Samantha Strauss. Mentions Lisa Kudrow, Philip Burgers, and Adrian Lukis returning for season 2 (not season 3, but context for the series).
Source [3]: Emmy nomination info.
Source [4]: Series premise: Three strangers obsessed with true crime get wrapped up in one.
Overview:
Season three of Only Murders in the Building follows the central trio of Charles, Oliver, and Mabel as they investigate a murder occurring behind the scenes of a Broadway production. The investigation begins after the untimely death of Ben Glenroy, a Hollywood action star whose Broadway debut is cut short. As the trio embarks on what is described as their toughest case to date, they receive assistance from Loretta Durkin, a co-star in the production. While the mystery unfolds, director Oliver faces the challenge of desperately attempting to put his show back together. This comedic murder-mystery series centers on three strangers who share an obsession with true crime and find themselves wrapped up in a real-life mystery. The narrative explores the high stakes of a theatrical production following a sudden death, blending elements of comedy, mystery, and crime. The characters must navigate the complexities of the Broadway stage while searching for answers regarding Glenroy's death.
Word Count Check (Overview):
"Season three of Only Murders in the Building follows the central trio of Charles, Oliver, and Mabel as they investigate a murder occurring behind the scenes of a Broadway production. The investigation begins after the untimely death of Ben Glenroy, a Hollywood action star whose Broadway debut is cut short. As the trio embarks on what is described as their toughest case to date, they receive assistance from Loretta Durkin, a co-star in the production. While the mystery unfolds, director Oliver faces the challenge of desperately attempting to