S17·E18 Schooled

Episode recap

Task: Write a 280-380 word episode recap for NCIS S17E18 ("Schooled").
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: "The team searches for answers when the body of a well-regarded Navy technician in the Reserves is found floating in a lake where a popular community event is being held."
SOURCES:
[1] TMDB: NCIS (2003), TV-14, Crime, Drama, Action & Adventure.
[2] IMDb: Created by Donald P. Bellisario, Don McGill. Cast includes Sean Murray, David McCallum, Mark Harmon, Brian Dietzen. Follows Major Case Response Team investigating cases connected to US Navy and Marines Corps personnel and families.
[3] Deadline: Originates from JAG back-door pilots (April 2003). Pauley Perrette plays Abby.
[4] Variety: Sean Murray and Brian Dietzen were recurring in Season 1 before becoming regulars. Rocky Carroll joined in Season 5.
[5] TMDB Season 1 Cast: Mark Harmon (Leroy Jethro Gibbs), Michael Weatherly (Tony DiNozzo), Sasha Alexander (Caitlin Todd).
The synopsis is extremely brief: "The team searches for answers when the body of a well-regarded Navy technician in the Reserves is found floating in a lake where a popular community event is being held."
The sources provide background on the show (creators, general premise, some cast members), but they do not provide specific character names for this episode, specific locations, or any additional plot details beyond the single sentence in the synopsis.
Self-Correction/Constraint Check: The prompt asks for a 280-380 word recap. However, the provided synopsis is only one sentence long. The instructions state: "If the synopsis is sparse, stay concise rather than guessing." and "Never invent or guess... plot points."
If I follow the "stay concise" instruction, I will fail the "280-380 word" instruction.
If I follow the "280-380 word" instruction, I will have to invent facts, which violates the "Never invent or guess" instruction.
In professional archiving and strict instruction following, "Never invent or guess" and "Write ONLY verifiable facts that are explicitly supported" are the primary directives. The word