Most retaliation claims don't arrive labeled as such. They arrive as something else entirely — an injury report, a leave request, an accommodation need, a performance conversation after time off.
By the time someone files a formal retaliation complaint, the risk has usually existed for weeks or months. The protected activity happened earlier. What happened after that protected activity is what creates the claim.
Most employee relations systems help you investigate once the word "retaliation" appears. That part is necessary. But it starts too late.
The real question isn't "Did someone file a retaliation complaint?" It's "What happened after the protected activity?" Did discipline suddenly appear? Did opportunities dry up? Did treatment change? Did adverse action follow? Did the same manager show up repeatedly across multiple events?
Those answers live across workers' compensation records, leave requests, accommodation discussions, safety reports, performance notes, and employment actions. Most systems never connect those events.