Free snacks. A ping pong table. A "fun" messaging channel. When people talk about workplace culture, these are often the first things that come to mind. But if you're a manager trying to build a team that actually performs — and stays — those perks aren't the point.

Workplace complaints and investigations are often talked about in terms of process, risk, and compliance—but what doesn’t get talked about enough is the human side of it all. Here’s what to do (and what not to do) during a workplace complaint…