Respectfully, Chief, your problem is that you will not allow your citizens to defend themselves. Therefore, only the perps who get their guns from outside sources will have them. A nationwide ban will only worsen the problem, making a nationwide black market for these weapons.
Statistics don't lie. Violent crime plummeted in Texas after the CHL law went into effect. When perps don't know who's carrying, they lose what little courage they have. You, Mr. Chief, represent the interests of gangsters who WANT instability and fear to establish their control, and we aren't buying it.
Statistics, 'those pesky facts'