How to Security Officer 202?

[The Grim Sleeper]

At this point, you're not acting on what happened or is happening, but what could happen. 
By all means take the precautions that you need to to protect the station and yourself, but don't punish people for things they haven't done yet. It's one thing to kill someone in the heat of a firefight, but if you've got the situation under your control then kill them you're doing wrong imo.

True, but that's hardly all going into a single Miranda Recital.
But yes, Grek is on point on the right way to talk to the public.