S7·E7 Little Yellow House

Episode recap

Task: Write a grounded 280-380 word episode recap for The Mentalist S7E7 (Little Yellow House).
Constraints:
Use ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
No invented titles, names, dates, counts, awards, ratings, box-office, or plot points.
Omit details not in the material.
Write original, neutral, encyclopedic prose in plain text.
No markdown, no asterisks, no headings, no bullet points.
Word count target: 280-380 words.
SYNOPSIS: "A murder investigation becomes personal for Lisbon when she learns that her underachieving younger brother, Jimmy, is being sought as a key witness."
SOURCES:
[1] The Mentalist (2008), TV-14, Crime, Drama, and Mystery. Patrick Jane is a former celebrity psychic medium.
[2] American procedural drama, ran Sept 23, 2008, to Feb 18, 2015, 151 episodes, 7 seasons, on CBS.
[3] Created by Bruno Heller. Cast: Simon Baker, Robin Tunney, Tim Kang, Owain Yeoman. Patrick Jane is a fake psychic using observational skills/knowledge of human psyche to find "Red John".
[4] Patrick Jane works with the California Bureau of Investigation.
[5] Cast: Simon Baker, Robin Tunney, Tim Kang, Owain Yeoman.
Episode Title: Little Yellow House (S7E7).
Plot: A murder investigation becomes personal for Lisbon. Her younger brother, Jimmy, who is described as underachieving, is being sought as a key witness.
Context: The Mentalist is a crime, drama, and mystery procedural drama series created by Bruno Heller. It aired on CBS and ran for seven seasons, totaling 151 episodes. The series stars Simon Baker as Patrick Jane, a former celebrity psychic medium who uses his observational skills and knowledge of the human psyche to work with the California Bureau of Investigation. The cast also includes Robin Tunney, Tim Kang, and Owain Yeoman.
Problem: The synopsis is extremely short (one sentence). The sources provide series-level information but almost no episode-specific information beyond the synopsis.
Constraint Check: "If the synopsis is sparse, stay concise rather than guessing."
Constraint Check: "Write a grounded 280-380 word episode recap."
Conflict: I cannot reach 280-380 words using only the provided facts without repeating myself or including series-level information. If I only use the synopsis, I have about 30 words. If I