S7·E5 The Silver Briefcase

Episode recap

Task: Write a 280-380 word episode recap for The Mentalist S7E5 (The Silver Briefcase).
Constraints:
Use ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
No invented titles, names, dates, episode counts, awards, ratings, box-office, viewership, or plot points.
If a detail is not in the material, omit it.
Style: Original, neutral, encyclopedic prose, plain text.
No markdown, no asterisks, no headings, no bullet points.
Word count: 280-380 words.
Synopsis: A chance encounter with a military colonel leads Jane to believe the soldier is hiding something, leading him to dig into closed murder case of the man’s wife.
Source [1]: Series title: The Mentalist (2008). Genre: Crime, Drama, and Mystery. Patrick Jane is a former celebrity psychic medium.
Source [2]: American procedural drama. Ran from Sept 23, 2008, to Feb 18, 2015. 151 episodes over seven seasons on CBS.
Source [3]: Created by Bruno Heller. Starring Simon Baker, Robin Tunney, Tim Kang, Owain Yeoman. Patrick Jane is a fake psychic who uses observational skills and knowledge of the human psyche to work with police to find "Red John".
Source [4]: Patrick Jane works with the California Bureau of Investigation.
Source [5]: Directed by Chris Long (Note: This might refer to the series or a specific episode, but the source says "The Mentalist · 2008 ; Directed by Chris Long". I should be careful about attributing this director to this specific episode unless the source explicitly links it to S7E5. The source provided is a general link for stills/photos, not specifically for S7E5. I will stick to the synopsis for the plot).
The synopsis is extremely brief: "A chance encounter with a military colonel leads Jane to believe the soldier is hiding something, leading him to dig into closed murder case of the man’s wife."
The sources provide context about the show: The Mentalist is a crime, drama, and mystery procedural series that aired on CBS. It was created by Bruno Heller and stars Simon Baker as Patrick Jane. Jane is a former celebrity psychic medium who uses his observational skills and knowledge of the human psyche to assist the California Bureau of Investigation.
Drafting attempt 1:
The Mentalist is an American procedural drama television series that aired on CBS from September 23, 2008, until February 18, 2015. Created by Bruno Heller, the series consists of 151 episodes spanning seven seasons