Based on the context and the answer, generate a question. 

Context: it is not howver , on the same level of hp , where i was over my maximum capacity and had to have my off duty police officer standing at my front door like a bouncer . it was not more than 2000 people and it was more than a little lame.maybe if it was something i could get being , i 'd be okay with it , but they 're just not interesting.now , if we did midnight release parties for the Percy Jackson books , that would be awesome .

Answer:

They are there for crowd control .



Why would security guards be at the event being described ?