Perhaps some of the guns turned in had been used in crimes.

Usually, weapons used in urban crimes are purchased far away.

They also say it would be of little use for stolen guns, which are often used in crimes.

Some of these dealers each sold more than 1,000 guns that were used in crimes from 1996 through 1998.

Guns used in previous crimes would be likely to bring more charges if the criminals were caught.

The record would help trace the guns used in crimes.

It's like how we hold auto companies liable for cars being used in crimes.

Criminals use them in crimes, and the gun industry must be held accountable.

The number of those guns used in crimes dropped because they were less available.

The weapons would be checked to see if they have been used in other crimes.