Actually, KL, in the U.s. we have not surrendered all our rights to the state. Anybody can effect an arrest of sorts in certain conditions. And security gaurds (properly trained and certified) can and do arrest or detain people for removal by the police.
I imagine your blocking skills are exceptional since your knee jerks so often...
"Never interrupt your enemy when they are making a mistake."
--- Napoleon
"MonkeySlap is a brutal b@stard." -- SevenStar
"Forgive them Lord, they know not what MS2 can do." -- MasterKiller
"You're not gonna win a debate (or a fight) with MST. Resistance is futile." - Seven Star