Poke around a little, some of the systems will even text security but they just can' trip a canned message over the PA system.
I'm not the one that opened my pie hole about something I don't have a clue about...so....
Still can't prove your assertion. Since we don't know which pharmacy did this to her, how about you show us ANY pharmacy in Manitoba.... oh hell, let's include Sask too..... that has the type of surveillance that you linked to in that PDF from Spain.