S6·E12 The Golden Hammer

Episode recap

Task: Write a 280-380 word episode recap for The Mentalist S6E12 (The Golden Hammer).
Constraint 1: Use ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
Constraint 2: Do not invent/guess titles, names, dates, counts, awards, ratings, etc.
Constraint 3: If a detail is not in the material, omit it.
Constraint 4: Write original, neutral, encyclopedic prose in plain text.
Constraint 5: No markdown, no asterisks, no headings, no bullet points.
Constraint 6: Word count target: 280-380 words.
Synopsis: Jane and the FBI investigate the murder of a high-tech cartographer who may have unearthed a spy ring before his death. Meanwhile, Rigsby and Van Pelt find themselves on the trail of an alarming conspiracy.
Source [1]: Series title: The Mentalist (2008). Genre: Crime, Drama, and Mystery. Overview: Patrick Jane is a former celebrity psychic medium.
Source [2]: Patrick Jane uses observation and expertise at "reading" people to solve crimes with the California Bureau of Investigation (CBI).
Source [3]: Jane is an independent consultant for the CBI based in Sacramento, California.
Source [4]: Cast includes Simon Baker, Robin Tunney, Tim Kang, Owain Yeoman.
Source [5]: Jane is a famous "psychic" who outs himself as a fake. He uses heightened observational skills and knowledge of the human psyche to work with police to find "Red John," who killed his family.
Episode Title: The Golden Hammer (S6E12).
Plot Point 1: Jane and the FBI investigate the murder of a high-tech cartographer.
Plot Point 2: The cartographer may have unearthed a spy ring before his death.
Plot Point 3: Rigsby and Van Pelt are on the trail of an alarming conspiracy.
Contextual info (to reach word count if possible, but must be careful not to hallucinate): Patrick Jane is a former celebrity psychic medium and an independent consultant for the California Bureau of Investigation. He uses observational skills and knowledge of the human psyche to solve crimes.
The synopsis is extremely short. It only provides about 40 words of plot.
The sources provide background on the series and characters, but not specific details about this episode's plot beyond the synopsis.
The prompt asks for a 280-380 word recap.
Problem: If I only use the provided facts, I cannot reach 280 words without repeating myself or adding information not in the text.
Constraint Check: "If the synopsis is sparse,