The National Rifle Association says a gun lock is merely "a gadget" that does little to prevent accidental shootings.

He pledged to take action to prevent such shootings.

The official motivation has been to prevent accidental shootings by children and to protect the police from having their own guns turned against them.

But there's no way to prevent shootings by a crazed person with a gun.

"Trident is a key part of how we tackle gangs and remains responsible for preventing and investigating shootings in London."

The Council passed legislation last week requiring all gun owners to use trigger locks to prevent accidental shootings.

So, to the extent you can get in there and stop it quickly, you may prevent future shootings of a retaliatory nature.

He will propose $10 million in federal spending to spur development of the technology, which is intended to prevent accidental shootings and deter gun theft.

These violence interrupters work on the street, mediating conflicts between gangs and intervening to prevent retaliatory shootings and killings.

The helicopter attacks were part of an announced new Israeli strategy to take the initiative and prevent further shootings or a guerrilla war by the Palestinians.