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Workplace Investigations Guide for HR Professionals

HR Training Center Guide

Workplace Investigations Guide for HR

A complaint can land on your desk any day, and the way it is handled in the first week often decides how it ends. This guide collects everything on HRTrainingCenter.com about workplace investigations in one place, arranged in the order most HR professionals need it.

Start with the first section if you are new to investigations or want the legal background. Go to the second if you have a complaint open now and need the process, forms and templates. Use the third when you are deciding how to train yourself or your team.

Start here

The HR Investigation Process, Step by Step

The HR investigation process in 10 steps: intake, interim measures, planning, evidence, interviews, credibility, findings, the report, and follow-up.

Read the overview

Stage 1

Understand the Law

What triggers an investigation, which rules apply before you interview anyone, and the terms you will meet along the way.

Stage 2

Do the Work

The working material: the process from intake to closure, interview technique, evidence, credibility, the written report, and the hard cases.

More articles for this stage

Stage 3

Choose Training

How the training options compare, what our programs cover, and how to decide between the basic and advanced courses.

Our Programs

Internal Investigations Certificate Program

A three-day, instructor-led program, in person or by video conference, that teaches a step-by-step investigation process through case studies and mock investigations. It awards 18 SHRM and HRCI recertification credits.

Advanced Internal Investigations Certificate Program

For HR professionals who already run investigations and want deeper work on interviewing, evidence, credibility and complex cases. It awards 12 recertification credits.

See upcoming dates and locations

Reference Pages

Frequently Asked Questions

Who should conduct a workplace investigation?

Someone trained, impartial and outside the reporting line of the people involved. That is often an HR professional. An outside investigator or attorney is the better choice when the accused is senior, HR has a conflict, or the organization wants the work directed by counsel. Our article on in-house and outside investigators walks through the decision.

How long should a workplace investigation take?

There is no single legal deadline for most private employers. What matters is that the employer acts promptly and can explain any delay. Our article on investigation timelines gives typical durations for each stage.

Do employees have a right to a representative in an investigation interview?

Union-represented employees may ask for a union representative in an interview they reasonably believe could lead to discipline. These are known as Weingarten rights. Our Weingarten article explains what triggers the right and the employer's options.

Is there a certification for workplace investigators?

There is no government license or required credential for an employee who investigates for their own employer. Several organizations offer certificates and credentials. Our comparison article describes the main options and what each one signifies.

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