From Jeffrey Scott Shapiro at the Wall Street Journal:

In the wake of the horrific elementary-school shootings in Newtown, Conn., last month, many Americans, desperate to do something in response, have decided that much stricter gun control is the answer. Democrats have proposed reinstating the 1994 Assault Weapons Ban, and Sen. Dianne Feinstein has proposed legislation that would even restrict the use of some semiautomatic handguns.

As a former prosecutor in Washington, D.C., who enforced firearms and ammunition cases while a severe local gun ban was still in effect, I am skeptical of the benefits that many imagine will result from additional gun-control efforts. I dislike guns, but I believe that a nationwide firearms crackdown would place an undue burden on law enforcement and endanger civil liberties while potentially increasing crime.

The D.C. gun ban, enacted in 1976, prohibited anyone other than law-enforcement officers from carrying a firearm in the city. Residents were even barred from keeping guns in their homes for self-defense.

Some in Washington who owned firearms before the ban were allowed to keep them as long as the weapons were disassembled or trigger-locked at all times. According to the law, trigger locks could not be removed for self-defense even if the owner was being robbed at gunpoint. The only way anyone could legally possess a firearm in the District without a trigger lock was to obtain written permission from the D.C. police. The granting of such permission was rare.

The gun ban had an unintended effect: It emboldened criminals because they knew that law-abiding District residents were unarmed and powerless to defend themselves. Violent crime increased after the law was enacted, with homicides rising to 369 in 1988, from 188 in 1976 when the ban started. By 1993, annual homicides had reached 454.

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