It may have the effect of creating conflicts of justification where both sides might say, ``I was acting lawfully,'' the one because they were exercising a power of citizen's arrest and the other because they were defending themselves and had no idea who the person was who was suddenly trying to detain them.
Il peut s'ensuivre un quiproquo d'un côté et de l'autre, les deux parties affirmant qu'elles ont « agi légalement », l'une en exerçant son pouvoir d'arrestation en tant que simple citoyen, et l'autre en cherchant à se défendre, ne sachant rien de la personne ayant entrepris subitement de l'arrêter.