the long arm of the law doesn't reach everywhere

the long arm of the law doesn't reach everywhere
یک گربه و صد سوراخ موش ( همیشه یک راه برای دور زدن قانون است )
همچنین:
2: The law has holes large enough for the most wicked men to slip through
3: Fishes big enough to eat boats aren't Caught by the net