The investigative team.
Even after hearing this message, Daneel could only stand there and stare into empty space for a few moments as it felt as if his mind was filled with waves that were crashing against each other and rendering him senseless.
Ever since he and Luther had arrived to tackle this case, the investigative team had been present everywhere, forgotten and ignored as they were like the backdrops of the situation who weren't effective, but still present because of their duty.
Hence… The identity of a member of the investigative department was a perfect fit for someone who wanted to hide in plain sight. After all, what more could a culprit want than to keep a close eye on those who were investigating them?
It wasn't just this. The investigative department would be the first to be called in such a case, and they would have the chance, if they were discreet enough, to change things and even hide stuff if they wished.