Them: The Scare

Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "Them" Season 2.
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/bullet points in the prose (though the primer is an array). Output valid JSON only.
Source Material:
Synopsis: 1991, LAPD Homicide Detective Dawn Reeve assigned to murder of a foster home mother. Los Angeles is on the edge of chaos. Dawn wants to stop the killer. Something ominous/malevolent grips her and her family as she gets closer to the truth.
Source [1]: Limited anthology series exploring terror in America. Creator: Little Marvin.
Source [2]: Mentions it was one of the shows with a 100% on Rotten Tomatoes in 2021.
Overview:
Set in 1991, the second season of the limited anthology series Them follows LAPD Homicide Detective Dawn Reeve. Reeve is assigned to investigate the gruesome murder of a foster home mother, a crime so disturbing that it has shaken even the most hardened detectives on the force. As she navigates her investigation, she does so against the backdrop of a tumultuous period in Los Angeles, a city described as being on the razor's edge of chaos. Dawn is determined to identify and stop the killer responsible for the crime. However, as her investigation brings her closer to uncovering the truth behind the murder, an ominous and malevolent force begins to grip both her and her family. The series, which explores terror in America, continues its anthology format through this new narrative. (Word count check: ~140 words. I need to expand to 160-220 words using only provided info).
Expansion strategy for Overview:
The provided text is quite short. I must be careful not to invent.
"Set in 1991, the second season of the limited anthology series Them follows LAPD Homicide Detective Dawn Reeve. Reeve is assigned to investigate the gruesome murder of a foster home mother, a crime so disturbing that it has shaken even the most hardened detectives on the force. As she navigates her investigation, she does so against the backdrop of a tumultuous period in Los Angeles, a city described as being on the razor's edge of chaos. Dawn is determined to identify and stop the killer responsible for the crime. However, as her investigation brings her closer to uncovering the truth behind the murder, an ominous and malevolent force begins to grip both her and her family. This