An investigative report has two readers. The client who paid for it, and the attorney whose job is to take it apart.
Most reports are written for the first reader only. They read cleanly, they answer the question that was asked, and they come apart the first time someone walks them line by line under oath. The findings are usually correct. The record underneath the findings is not.
The gap is not writing quality. It is whether every assertion in the document traces back to a source, a date, and a method, without the investigator’s memory doing any of the work.
Opposing counsel attacks the method, not the conclusion
Counsel on the other side rarely argues with what you found. He asks how you found it. What database. What date. What search terms. Whether the record you pulled in March still says the same thing in November. Whether you personally observed the thing you wrote, or a subcontractor did, or a website did.
Each of those questions has a right answer and a fatal one. The fatal answer is “I don’t recall.”
Federal Rule of Evidence 602 limits a witness to matters he has personal knowledge of. A report full of assertions the investigator cannot place, date, or source gets narrowed to almost nothing on the stand. Everything else becomes hearsay, argument, or speculation, and the attorney who hired you watches the exhibit shrink in real time. That is an expensive way to learn that the report was written for the wrong audience.
Every sentence needs a source, a date, and a method
Write the report so any paragraph can be pulled out on its own and defended. Each factual assertion carries three things: where it came from, when it was obtained, and how.
“The subject owns property in Hillsborough County” is a claim. “Hillsborough County Property Appraiser parcel record for 1400 Example Ave, retrieved 14 July 2026, lists the subject as owner of record since 2019” is evidence. The first version is faster to write and worthless nine months later.
The math is unforgiving. A fourteen-page report holds somewhere near forty distinct factual assertions. If four of them lack a source line, that is four openings in a deposition, and counsel needs one to argue the other thirty-six were assembled the same careless way.
The same failure runs through screening work. A negative headline gets logged as a finding, and nobody preserves the article, the publication date, or the court record underneath it. Adverse media screening that stops at the headline produces a report you cannot defend and a subject you may have mischaracterized.
Facts and analysis go in separate sections
Investigators blur these constantly. A findings section reads: “Subject was observed leaving the residence at 0714 and appeared to be avoiding the front street.” The first half is observation. The second half is inference, and once the two share a paragraph, every observation in that paragraph inherits the doubt.
Split them. Facts get their own section, written flat, with sources attached. Analysis gets its own section, labeled as analysis, with the reasoning shown. That is not a formatting preference. It is the line between testimony you can defend and an opinion nobody retained you to give.
The separation matters most where the stakes are financial. In asset tracing, “the LLC shares a registered agent with two entities dissolved in the same quarter” is a fact. “The structure suggests concealment” is analysis. A court treats those two sentences very differently, and so should the document they live in.
There is a second benefit that shows up in the client relationship rather than the courtroom. A client reading a clean facts section forms his own judgment before he reaches yours. Clients trust conclusions they arrived at half a step ahead of you.
Digital evidence dies without provenance
Screenshots get the same discipline as documents. Capture the full browser frame with the URL bar visible and the system clock in the shot. Keep the original file. A cropped image pasted into a Word document has no provenance at all. It is a picture of a claim.
Hash the originals with SHA-256 the day you collect them and record the hash in the case log. It costs about thirty seconds per file and it converts “this is the document I downloaded” from an assertion into something checkable by anyone, including the other side’s forensic examiner. Export native formats where the platform allows it. A PDF print of a public records page strips the metadata that proves when the page said what it said.
Store the collection separately from the report. The report is work product. The collection is the underlying material, and the two get treated differently the moment discovery starts.
Your notes decide what you can say a year later
Contemporaneous notes are the part investigators skip and the part that saves them. A deposition can land eighteen months after the fieldwork. Memory at eighteen months is decoration.
Keep a running case log with timestamps, written the day the work happens, not reconstructed on the Friday the invoice goes out. Log the searches that returned nothing alongside the ones that hit. Negative results carry real weight: they establish the scope of what you actually examined, and they kill the “you never checked X” line before counsel finishes the sentence.
Be clear about what the log becomes. Work product gets qualified protection under Florida Rule of Civil Procedure 1.280, and the doctrine traces back to Hickman v. Taylor in 1947. Qualified is not absolute. If the attorney who retained you designates you as a testifying expert rather than a consulting one, the material in your file can end up in front of the other side. Ask which role you are in before the first search, not after the report ships. Most litigation intelligence work falls apart at exactly this seam, and it is a five-minute conversation at intake.
Licensing and statute set the floor, not the standard
Florida Statutes Chapter 493 governs private investigation in this state. Class C for the individual investigator, Class A for the agency. License numbers belong on the report, and the work belongs inside the statute’s boundaries, including how information is obtained and which pretexts are off the table.
Compliance is the floor, though, and floors are not standards. The Fair Credit Reporting Act reaches any investigation used for employment, tenancy, or credit decisions, and a background report that quietly crosses that line exposes the client who ordered it as much as the investigator who wrote it. State the purpose in the first paragraph. State what the report is not to be used for. Both sentences protect both parties, and neither one costs anything.
Run this check on the last report you received
Pull the most recent investigative report you were handed, from any vendor, and pick five factual assertions at random from the middle of it. Not the executive summary. The middle, where the work is. For each one, ask the investigator to name the source, the date it was obtained, and the method, without opening the file.
Five for five, keep him. Under four, you are holding a document that reads well and testifies badly, and you will find out which one matters at the worst possible moment.
Farsight Intelligence builds case files for attorneys, executives, and compliance officers who need to know what is actually there, documented well enough to survive the second reader. Work at brettfl.com. Calendar at meet.brettfl.com. Direct at [email protected].
Write for the second reader.