And tons of reasons that do, namely, they lied for over week.
They didn’t necessarily lie. It could very well be how they understood it at that time. Further investigation clarified it.
Or, they hoped to smoke someone out by releasing misinformation. That’s an effective investigating tool.
We don’t know. Having been involved in many investigations I know full well, things change, and something you believed to be set in stone one day turns out to be wrong the next.