If people are reallly determined, they will get you.
Guards can be bribed, mattresses can be thrown over barbed wire, dogs can be shot or poisoned.
In particular, as shown by the recent assassination of Wilhemus Geertman in Angeles City:
http://globalnation.inquirer.net/429...tch-ngo-worker
a targetted political assassination is pretty much bound to get through.
The best you can hope to do is to deter teenagers looking for drug money to buy shabu shabu with.
