I personally am interested cause this could happen, especially in america.
Theres the problem - the concept is reliant on realism, which the movie lacks.
In the first one, apparently "no law" means "no emotional connections" (to prevent that guy trying realising killing his girlfriend's dad will terminate their relationship immediately) and "no common sense" (to prevent that gang leader realising killing his friend over a tiny thing is something he'd regret pretty much forever).
Didn't watch the second one.
But frankly, anyone who sees any social commentary in the first one is overlooking its complete failure to portray humans.