S6·E2 Black-Winged Redbird

Episode recap

Task: Write a 280-380 word episode recap for The Mentalist S6E2 (Black-Winged Redbird).
Constraints:
Use ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
No invented titles, names, dates, counts, awards, ratings, etc.
No guessing or inventing plot points.
Original, neutral, encyclopedic prose.
Plain text only (no markdown, no asterisks, no headings, no bullet points).
Word count: 280-380 words.
Synopsis: Jane discovers an important clue to Red John's methods as the team encounters four of the suspects, and the CBI investigates the case of a software engineer killed by a drone strike.
Source [1]: Series title: The Mentalist (2008). Genre: Crime, Drama, and Mystery. Patrick Jane is a former celebrity psychic medium.
Source [2]: Ran from Sept 23, 2008, to Feb 18, 2015. 151 episodes over seven seasons on CBS.
Source [3]: Created by Bruno Heller. Cast: 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," the man who killed his family.
Source [4]: Patrick Jane works with the California Bureau of Investigation (CBI).
Episode title: Black-Winged Redbird.
Season/Episode: S6E2.
Plot point 1: Jane discovers an important clue regarding Red John's methods.
Plot point 2: The team encounters four suspects.
Plot point 3: The CBI investigates the death of a software engineer killed by a drone strike.
Context: Patrick Jane is a former celebrity psychic medium who uses observation and knowledge of the human psyche to work with the California Bureau of Investigation. He is searching for Red John.
Drafting Attempt 1:
In the second episode of the sixth season of The Mentalist, titled Black-Winged Redbird, the California Bureau of Investigation (CBI) handles a specific criminal case. The investigation focuses on the death of a software engineer who was killed by a drone strike. As the team works through the details of this case, Patrick Jane, a former celebrity psychic medium who uses his observational skills and knowledge of the human psyche to assist law enforcement, discovers an important clue related to the methods used by Red John. During the course of the episode, the team encounters four different suspects.

The Mentalist is an American procedural drama series created by Bruno Heller that aired on CBS. The series features Patrick Jane, played by Simon Baker, who