Answer: Some negative effects are that if you don't have a permit, you could get caught and sentenced to jail for a minimum of 6 years. Other negative effects are things such as the direct costs associated with fatalities and injuries are manifold. And at the macro-level, there are financial costs to the State, such as health and social care costs, the costs to the criminal justice and penal systems, and the economic impact of lost productivity. Many people have already been fatally wounded or killed due to firearm trafficking.