The Anatomy of a Defensible Investigation: A Twelve-Part Roadmap for Employers

Workplace investigations are judged in hindsight by juries, judges, and agencies who were not in the room when the investigation or incidents occurred. Rather, they examine promptness, independence, thoroughness, documentation, and a response proportionate to the findings. This twelve-part series, which will publish weekly, walks through the full life of a workplace investigation, from the moment a complaint lands to the day the file becomes an exhibit.

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09/01/2026 | The Anatomy of a Defensible Investigation: A Twelve-Week Roadmap for Employers

This alert opens a twelve-part series walking through the full life of an investigation, from the moment a complaint lands to the day the file becomes an exhibit. Read more.

09/08/2026 |Who Should Investigate? HR, In-House Counsel, Outside Counsel, Another Third-Party, and What Each Choice Costs You

The choice of investigator is the first decision a plaintiff will question, and it involves a genuine tradeoff: the options that maximize independence tend to cost more, and the options that feel efficient may compromise either credibility or privilege. Read more.

09/15/2026 | Privileged Until It Isn’t: Protecting the Investigation File and the Waiver Trap in Your Best Defense

Attorney-client privilege protects communications made for the purpose of obtaining legal advice—not facts, not HR business activity, and not an investigation merely because a lawyer touched it. Read more.

09/22/2026 | Before the First Interview: Scope, the Evidence That Deletes Itself While You Deliberate, and Interim Measures While the Investigation is Pending

An early writing defining the scope is one of the easiest and most effective first steps when conducting an investigation. Read more.

09/29/2026 | Interviewing the Complainant and Witnesses: Building a Record That Holds Up

The complainant interview sets the trajectory of the entire investigation. It focuses the allegations, maps the evidence, and, if handled badly, becomes independent proof, in the eyes of the plaintiff, that the employer never took the complaint seriously. Read more.

10/06/2026 | Interviewing the Accused: Upjohn Warnings, Fair Process, and the Statements That Decide Cases

Interview the accused after you understand the facts, evidence, and testimony. The interview of the accused relies on specificity. The accused should face the actual allegations with enough particularity to respond meaningfully. Read more.

10/12/2026 | He Said, She Said: Making and Defending Credibility Determinations

Two people, one room, no witnesses: the fact pattern investigators dread is also the pattern where their work matters most. Credibility is assessed against recognized factors, including inherent plausibility, corroboration, consistency, motive to fabricate, and the pattern applied to a preponderance standard. Read more.

10/20/2026 | What to Write, What to Leave Out, and Who Gets to Read It

The report is the investigation, as far as any later reader is concerned. The interviews fade but the report survives to speak for or against the process. The report should include findings of fact, not legal conclusions. It should determine what happened and whether a policy was violated. Read more.

10/27/2026 | After the Findings: Proportionate Discipline, Closing the Loop, and the Retaliation Watch

The response to the findings must be reasonable. Discipline disproportionate to the findings or inconsistent with how similar conduct was previously treated can unravel an otherwise careful process. Read more.

11/03/2026 | When the Accused Runs the Company: Executive and C-Suite Investigations

The The defining feature of an executive investigation is that the org chart is the problem. The head of HR reports to the accused, or to the accused’s ally; in-house counsel advises the company the accused personifies; and every internal investigator’s career sits within the accused’s reach. Read more.

Subscribe to Receive the Investigation Roadmap and Other Vorys at Work Updates and Invitations

Join Vorys labor and employment attorneys as they bring the twelve-part Investigation Roadmap series to life in one hour. They will discuss the importance of choosing the right investigator, protecting (or deliberately not protecting) privilege, preserving the evidence that deletes itself, interviewing complainants and the accused, making credibility calls that hold up, and closing the file without opening a retaliation claim.