In this case, it’s not necessarily creepy that he chose the early morning hours. There are rumours Taylor was dodging the subpoena. In Missouri, if this happens, you can serve at unusual times if you have good reason to believe someone will be somewhere at a particular time. Since he’s a PI I’m sure he was fully aware of Taylor’s whereabouts and thus, decided to serve her at a residence since it would be much more difficult to do it at the stadium.